Free Tools
162+ simple, free tools to help you create, launch and sell faster — grouped by what you're doing. No signup, no catch, nothing uploaded.
Money & pricing
Inflation Calculator
See what an amount will cost in the future at a given inflation rate, and how much today's money will be worth (its purchasing power) down the line.
Open tool →Savings Goal Calculator
Work out how much to save each month to hit a target by your date, with an optional starting amount and interest. See contributions vs interest earned.
Open tool →Amortization Schedule Calculator
See a full loan payoff schedule — principal vs interest for each payment and your balance over time, monthly or yearly, with total-interest and total-paid figures.
Open tool →Number to Words Converter
Spell out any number in words — plain or cheque/currency format like "one thousand two hundred thirty-four dollars and 56/100". For cheques, invoices and contracts.
Open tool →Mortgage Affordability Calculator
See how much house you can afford from your income, debts and down payment using the 28/36 debt-to-income rule — get your max home price, loan amount and monthly payment.
Open tool →Fuel Cost Calculator
Work out the fuel cost of any trip or commute — enter distance, fuel economy (MPG or L/100km) and price to see the total, fuel used, and the per-person cost if you carpool.
Open tool →Sales Tax & VAT Calculator
Add sales tax/VAT to a price, or remove it from a tax-inclusive total. Enter the amount and rate to see the net, tax and gross — and avoid the common reverse-tax mistake.
Open tool →Loan Payment Calculator
Work out the monthly payment on a loan, car finance or mortgage — enter the amount, rate and term to see your monthly payment, total interest, and total repaid.
Open tool →Debt Payoff Calculator
Compare the debt snowball (smallest balance first) and avalanche (highest rate first) methods. Add your debts and an extra monthly payment to see how fast you’re debt-free and how much interest each method saves.
Open tool →ROI Calculator
Work out your return on investment — total ROI %, dollar gain or loss, and the annualized return (CAGR) over your holding period. Compare investments held for different lengths of time on equal footing.
Open tool →Net Worth Calculator
Add up what you own (cash, investments, property, vehicles) and subtract what you owe (mortgage, loans, credit cards) to see your net worth. Private — everything stays in your browser.
Open tool →Hourly to Salary Calculator
Convert an hourly wage to annual, monthly and weekly pay — or work backwards from a salary to an hourly rate. Set your hours per week and weeks per year. Great for comparing job offers and freelance rates.
Open tool →Rule of 72 Calculator
See how many years it takes to double your money at a given annual return — the Rule of 72 quick estimate next to the exact compound figure, plus time to triple, 5× and 10×.
Open tool →Subscription vs Buy Calculator
Subscribe or buy it outright? Find the break-even point where a recurring subscription costs more than a one-time purchase, plus the total cost of each over the time you’ll use it.
Open tool →Emergency Fund Calculator
Work out how big your emergency fund should be (months of essential expenses), how much you still need, and how long it’ll take to get there at your savings rate.
Open tool →Bill Split Calculator
Split a restaurant bill between any number of people, add a tip, and see exactly what each person pays. Optional round-up so everyone pays a clean whole-dollar amount.
Open tool →50/30/20 Budget Calculator
Split your monthly take-home pay into needs, wants and savings with the 50/30/20 rule. Adjust the percentages to fit your life and see the dollar amounts instantly.
Open tool →Simple vs Compound Interest Calculator
Compare simple and compound interest side by side. See the final value of each and exactly how much extra compounding earns over your term and compounding frequency.
Open tool →Raise vs Inflation Calculator
Is your pay rise a real raise? Enter your old and new salary and the inflation rate to see your inflation-adjusted raise, whether your purchasing power rose or fell, and the break-even salary.
Open tool →Credit Card Payoff Calculator
See how long it takes to clear a credit card and the interest you’ll pay — then compare your payment against minimum-only payments to expose the minimum-payment trap.
Open tool →Car Affordability Calculator
How much car can you afford? Enter your monthly payment budget, loan APR, term and down payment to see the maximum car price, the loan amount and total interest.
Open tool →Financial Independence Calculator
How many years until work is optional? From your income, spending, investments and return, see your savings rate, your FI number, and the years to financial independence.
Open tool →Debt-to-Income (DTI) Calculator
Calculate the front-end (housing) and back-end (total debt) DTI ratios lenders use, and see where you fall against typical mortgage approval thresholds.
Open tool →Cost Per Use Calculator
Is it worth buying? Work out the real cost per use from the price, how often you’ll use it and how long you’ll keep it (minus resale) — perfect for buy-cheap-vs-buy-quality decisions.
Open tool →Unit Price Calculator
Compare two products by price per unit (per gram, ounce, litre or item) to see which is the better value and by how much — beat misleading package sizes at the shelf.
Open tool →Down Payment Calculator
Saving for a house? See your down-payment target, how much more you need, and how many months of saving it’ll take — with optional interest on your savings.
Open tool →Break-Even Point Calculator
How many units must you sell to cover your costs? Enter fixed costs, price and variable cost per unit to get your break-even units, break-even revenue and contribution margin.
Open tool →Effective Hourly Rate Calculator
What did a project really pay per hour? Factor in unpaid admin and revisions plus expenses to see your true effective hourly rate and whether it beats your target.
Open tool →Recipe Cost Calculator
Add up ingredient costs to find a recipe’s cost per serving — and, if you sell food, your profit and margin per serving at your price. Great for home bakers and food sellers.
Open tool →Mileage Reimbursement Calculator
Calculate mileage reimbursement or a mileage deduction from your distance, number of trips and cents-per-mile rate. Handles round trips; enter your own current rate.
Open tool →Electricity Cost Calculator
What does an appliance cost to run? Enter its wattage, daily hours of use and your electricity rate to see the cost per day, month and year — and the energy it uses.
Open tool →Pay Period Converter
Convert any pay rate between hourly, weekly, biweekly, semi-monthly, monthly and annual. Enter what you know and see every other pay period instantly — great for comparing offers.
Open tool →Rent Affordability Calculator
How much rent can you afford? Use the 30% rule to get a max rent from your income, see what share a given rent takes, and check the common 40× landlord income test.
Open tool →Tipped Wage Calculator
Servers and bartenders: see your true hourly pay once tips and tip-out are included. Enter your base rate, hours, total tips and tip-out percentage.
Open tool →Sales Commission Calculator
Work out commission and total earnings from your sales, commission rate, an optional quota you must beat, and base salary — plus what share of your pay is commission.
Open tool →Overtime Pay Calculator
Calculate total pay including overtime. Enter your hourly rate, regular and overtime hours, and the multiplier (1.5× or 2×) to see regular pay, overtime pay and total.
Open tool →Hours Worked Calculator
Work out hours worked from a start and end time minus your break — in hours:minutes and decimal — plus pay at your hourly rate. Handles overnight shifts.
Open tool →Compound Interest Calculator
See how savings and investments grow over time — enter a starting amount, monthly contributions, rate and years for the future value, total interest earned, and a year-by-year breakdown.
Open tool →CD & Savings Calculator
Work out what a CD or savings deposit grows to at maturity — enter the deposit, APR, term and compounding frequency to see the maturity value, interest earned and the true APY.
Open tool →Markup vs Margin Calculator
Markup and margin aren’t the same — enter cost and price to see both, or set a target margin to get the right price. Clears up the confusion that quietly eats profit.
Open tool →Tip Calculator & Bill Splitter
Work out the tip and split the bill in seconds — enter the bill, pick a tip percent, and split between any number of people to see the tip, total, and amount each.
Open tool →Percentage Calculator
Three quick percentage calcs in one: X% of a number, what percent one number is of another, and percentage increase/decrease. Instant answers as you type.
Open tool →3D Print Cost Calculator
Enter filament price, print weight, time and power to see your real cost per print — plus a suggested sale price at the margin you want. For anyone selling 3D prints.
Open tool →Digital Product Profit Calculator
Enter price, sales and platform fees to see your real profit per sale plus monthly and yearly income. For Gumroad, Etsy and any digital seller.
Open tool →Freelance Rate Calculator
Turn your income goal into the hourly and day rate you actually need — accounting for taxes, time off and non-billable hours.
Open tool →Freelance Invoice Generator
Fill in your details and line items, then print or save a clean, professional invoice as PDF. No signup.
Open tool →Newsletter Revenue Calculator
Enter your list size, open/click/conversion rates and price to project how much your email list could earn per campaign, month and year.
Open tool →Sales Goal Calculator
Enter your monthly income goal and price to see exactly how many sales — and how much traffic — you need to hit it. Works backwards from your target.
Open tool →Discount & Promo Calculator
See your sale price and take-home — plus the number most sellers miss: how many more sales a discount needs to break even on revenue.
Open tool →Gumroad Fee Calculator
Enter your price and monthly sales to see Gumroad's fee per sale and exactly what you keep — per sale, per month and per year.
Open tool →Where Should I Sell? Platform Fee Comparison
Compare your take-home on Gumroad vs Etsy vs Payhip vs Lemon Squeezy side by side for your price and sales — and see which platform wins for your numbers.
Open tool →Recurring Revenue (MRR) Projector
See how a subscription, membership or recurring-affiliate base compounds over 12 months — with churn factored in and your steady-state ceiling.
Open tool →Pricing Tier Generator
Turn one price into a Good/Better/Best structure — anchored price points and what to put in each tier, using real pricing psychology.
Open tool →Etsy Fee Calculator
Enter your price and shipping to see Etsy’s listing, transaction and processing fees broken down — and exactly what you keep per sale and per month.
Open tool →Annual vs Monthly Pricing Calculator
Setting a subscription? Turn a monthly price and discount into an annual price, effective monthly cost, and the "months free" equivalent to frame the offer.
Open tool →Affiliate Income Calculator
Project affiliate earnings from clicks × conversion × commission — including how recurring (lifetime) commissions compound into a steady monthly income.
Open tool →Conversion Rate Calculator
Enter visitors and conversions to get your conversion rate, value per visitor, and the traffic you would need to hit a sales goal. Benchmark and improve what is working.
Open tool →Profit Margin & Markup Calculator
Enter your cost and either a target margin or a selling price to get price, profit, margin % and markup %. For makers, resellers and shops who price on purpose.
Open tool →Break-Even Calculator
Enter fixed costs, price and cost per unit to see the units and revenue you need to break even — plus profit at a target volume. Know your floor before you launch or run ads.
Open tool →Content & writing
Text to Speech
Paste text and have it read aloud — choose a voice, adjust speed and pitch, play/pause/stop. Great for proofreading, accessibility and learning. Runs in your browser.
Open tool →Keyword Density Checker
Paste your content to see its top keywords, counts and density percentages — single words or 2/3-word phrases — to spot keyword stuffing or thin coverage.
Open tool →Reading Time Calculator
Paste text to estimate reading and speaking time, with adjustable words-per-minute for posts, scripts or speeches. Live word count. For writers and presenters.
Open tool →URL Slug Generator
Turn any title into a clean, SEO-friendly URL slug — lowercase, hyphenated, accent- and punctuation-safe, with optional stop-word removal and length limit. Copy with one click.
Open tool →Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or words, with the classic "Lorem ipsum…" start option and one-click copy. For mockups, layouts and design.
Open tool →Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case instantly — with live word/character count and one-click copy.
Open tool →Content Hook Generator
Type a topic and goal, get scroll-stopping content hooks for X, LinkedIn, Instagram, threads and short video — instantly. Click to copy.
Open tool →Blog Headline Analyzer
Paste a headline and get a score on length, word balance, power & emotional words, structure and SEO — with tips to make it more clickable.
Open tool →Value Proposition Generator
Turn who you help, the outcome and your method into clear one-line pitches, bios and taglines you can copy — using the proven "I help X do Y" formula.
Open tool →Niche & Offer Idea Generator
Don't know what to sell? Enter a skill and an audience and get concrete, sellable offer ideas — products and services — using proven formats.
Open tool →Product Description Generator
Turn your product, audience and benefits into a clean, persuasive listing description — hook, bullets and CTA — ready to paste into Gumroad, Etsy or your shop.
Open tool →Blog Post Title & Idea Generator
Enter a topic and get 12 click-worthy blog post titles and angles built from proven headline formulas — how-to, list, question, ultimate guide and more. Tap to copy.
Open tool →Word & Character Counter
Live word and character counts with checks against social & SEO limits — title tags, meta descriptions, tweets, Pinterest. Trim your copy to fit instantly.
Open tool →Content Calendar Generator
Enter your niche and get a balanced posting plan (educate, inspire, engage, behind-the-scenes, promote) with concrete prompts for 7, 14 or 30 days. Tap to copy.
Open tool →Marketing & social
Lead Magnet Idea Generator
Enter your topic or audience and get tailored lead-magnet ideas — checklists, templates, mini-courses, swipe files and more — to grow your email list.
Open tool →Social Media Character Counter
Type your post and see live whether it fits each platform's limit — X, Instagram, LinkedIn, TikTok, YouTube, Pinterest and more, with character and word counts.
Open tool →Email Subject Line Tester
Paste a subject line and get an instant score on length, spam triggers, caps and curiosity — with tips to lift your open rate.
Open tool →CTA Button Generator
Turn your offer into high-converting call-to-action button copy — benefit-driven, first-person variations you can paste onto any page, email or checkout.
Open tool →Social Media Bio Generator
Turn what you do into ready-to-paste profile bios for X, Instagram and LinkedIn — several styles, with live character counts so they fit each platform.
Open tool →Quote Wallpaper Maker
Type any quote, pick a colour theme and size, and download a clean phone or desktop wallpaper instantly — no signup, no watermark. Runs in your browser.
Open tool →Etsy Tag Generator
Turn your product and keywords into 13 relevant, ≤20-character Etsy tags — long-tail, buyer-intent phrases you can paste straight into your listing.
Open tool →Pinterest Pin Description Generator
Turn your topic and keywords into scroll-stopping pin titles, a keyword-rich SEO description front-loaded for Pinterest search, and related keywords to weave in. Tap to copy.
Open tool →UTM Link Builder
Add campaign tracking (source, medium, campaign) to any URL so your analytics shows exactly which pin, email or post drove the click. Build it, copy it, paste it.
Open tool →Hashtag Generator
Enter a topic and get a ready-to-copy mix of broad, niche and long-tail hashtags for Instagram, TikTok or Pinterest. Tap any tag or copy them all.
Open tool →Business & Shop Name Generator
Enter a keyword and get dozens of brandable shop, store and business name ideas using proven naming patterns. Tap to copy, then check availability before you commit.
Open tool →Email Subject Line Generator
Enter your topic and get a dozen high-open-rate subject lines using proven formulas (curiosity, benefit, urgency, question, number). Tap to copy, then score the winner.
Open tool →Website & launch
robots.txt Generator
Build a valid robots.txt in seconds — allow or block crawlers, disallow specific paths, add your sitemap, then copy or download. For SEO and clean site launches.
Open tool →Favicon Generator
Make a favicon from an image or a letter/emoji, download the key sizes (32, 180, 512) and copy the exact HTML link tags to paste in your site. Runs in your browser, no signup.
Open tool →Cookie Consent Banner Generator
Generate a lightweight cookie consent banner as a copy-paste HTML snippet — your wording, colors and policy link, remembers the visitor’s choice. No library, no signup.
Open tool →Refund & Return Policy Generator
Set your refund window and terms (physical, digital, services, EU/UK rights) and get a clear refund & return policy to copy onto your store. Completes the legal-pages set.
Open tool →Terms & Conditions Generator
Answer a few questions about your site/store (sales, digital goods, accounts, affiliate links) and get clean, plain-English Terms & Conditions to copy. Pairs with the privacy policy generator.
Open tool →Privacy Policy Generator
Answer a few questions about your site (analytics, email, payments, GDPR/CCPA) and get a clean, plain-English privacy policy to copy onto your site. No signup.
Open tool →Email Signature Generator
Fill in your details and get a clean, professional HTML email signature — live preview, then copy it straight into Gmail, Outlook or Apple Mail. No signup.
Open tool →Link-in-Bio Page Generator
Build a clean "link in bio" page and download it as a single HTML file you can host anywhere for free — a no-signup, no-monthly-fee Linktree alternative with live preview.
Open tool →Meta Description Generator
Turn your topic, keyword and benefit into SEO meta descriptions under 155 characters — with live counts and a keyword check. Copy and paste.
Open tool →Open Graph Meta Tag Generator
Turn your title, description, URL and image into ready-to-paste Open Graph + Twitter Card meta tags so your links show a proper preview when shared. Copy into your <head>.
Open tool →Design & developer
Online Stopwatch
An accurate stopwatch that counts up with hundredths of a second, lap/split times, and start/stop/reset. For workouts, cooking and timing tasks.
Open tool →Online Timer
A countdown timer with an alarm — set hours/minutes/seconds or tap a preset, pause and reset, with the remaining time in the tab title. For cooking, workouts and study.
Open tool →PX to REM Converter
Convert px to rem and back (and to em and pt) using a configurable root font size — type any field and the rest update live. For responsive, accessible CSS.
Open tool →URL Parser
Paste a URL to see its parts — protocol, host, port, path, hash — and every query parameter decoded in a table. For debugging links and tracking params.
Open tool →Random Picker & Team Splitter
Paste a list of names or items to pick a random winner, shuffle the order, or split everyone into fair random teams. Uses your browser's secure RNG.
Open tool →Average Calculator (Mean, Median, Mode)
Paste numbers to get the mean, median, mode, range, sum, count and standard deviation. Handles commas, spaces or new lines — paste straight from a spreadsheet.
Open tool →Scientific Calculator
A full scientific calculator — order of operations, parentheses, powers and roots, trig (sin/cos/tan), logs, π and e, with a degrees/radians toggle. Type or tap.
Open tool →Final Grade Calculator
Find the score you need on your final exam to reach a target grade, from your current grade and the final's weight — plus your projected grade for any final score.
Open tool →Sleep Calculator
Find the best times to go to bed or wake up based on 90-minute sleep cycles, so you wake between cycles feeling refreshed. Includes a "sleep now" option.
Open tool →Body Fat Calculator
Estimate your body fat percentage with the US Navy tape method (metric or imperial), with a category guide. Educational estimate, not medical advice.
Open tool →One-Rep Max Calculator
Estimate your 1RM from a weight and reps (Epley & Brzycki formulas), with a training-percentage table (95%–50%) for planning your working sets.
Open tool →Day of the Week Calculator
Find what day of the week any date falls on — past or future — plus day of the year, ISO week number, leap-year status and days from today.
Open tool →Fraction ⇄ Decimal Converter
Convert a fraction to a decimal and percent, or turn a decimal into its simplest fraction (with mixed and improper forms). For school, cooking and measurements.
Open tool →HTML Entity Encoder & Decoder
Encode text to HTML entities (&, <, >…) or decode entities back to characters, with optional numeric encoding of non-ASCII. For code samples and escaping input.
Open tool →Regex Tester
Test a JavaScript regular expression against your text with live match highlighting, capture groups and a match count. Toggle global, ignore-case, multiline and dotAll flags.
Open tool →CSV to JSON Converter
Convert CSV to JSON or JSON to CSV instantly — handles quoted fields with commas and line breaks, first row as keys. Runs in your browser, nothing uploaded.
Open tool →CSS Border-Radius Generator
Design rounded corners visually — per-corner sliders, presets (rounded, pill, circle), live preview and copyable CSS. For cards, buttons and pills.
Open tool →Image to Base64 / Data URI
Convert an image (PNG, JPG, SVG, GIF, WebP) to a Base64 data URI to paste straight into HTML or CSS. Runs in your browser — the image is never uploaded.
Open tool →SHA Hash Generator
Generate SHA-256, SHA-1 and SHA-512 hashes of any text instantly in your browser — for checksums, integrity checks and fingerprints. Nothing uploaded.
Open tool →JWT Decoder
Paste a JSON Web Token to decode its header and payload and read the claims, with a human-readable expiry. Decodes in your browser — nothing sent (does not verify the signature).
Open tool →Line Sorter & Duplicate Remover
Paste a list to sort it alphabetically, remove duplicate lines, trim spaces and drop blank lines — all at once. For keyword lists, CSV columns and messy text.
Open tool →Color Converter (HEX, RGB, HSL)
Convert colors between HEX, RGB and HSL — type in any format or pick a color and the others update live, with a preview swatch and one-click copy.
Open tool →Random Number Generator
Generate random numbers in any range — one or many at once, with optional no-duplicates and sorting. Uses the browser's secure RNG. For draws, picks and sampling.
Open tool →CSS Box-Shadow Generator
Design a CSS box-shadow visually — sliders for offset, blur, spread, color and opacity with a live preview and copyable code. Supports inset shadows.
Open tool →Text Diff Checker
Paste two versions of text and see exactly what changed — added and removed lines highlighted line by line. Runs in your browser, nothing uploaded.
Open tool →Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal — type in any base and the others update live, with per-field input validation. For developers and CS students.
Open tool →Password Strength Checker
Test how strong a password is and roughly how long it would take to crack — entropy, rating and crack-time estimate, entirely in your browser (nothing is sent or stored).
Open tool →Countdown Timer
Count down to any date and time with a live ticker — days, hours, minutes and seconds remaining. For events, launches, holidays and deadlines.
Open tool →Roman Numeral Converter
Convert numbers to Roman numerals and back, both ways as you type. Handles 1–3999 with correct subtractive notation and rejects invalid forms like IIII.
Open tool →Running Pace Calculator
Enter your distance and time to get your pace per mile and per kilometre, your speed, and projected finish times for 5K, 10K, half and full marathon at that pace.
Open tool →Square Footage & Area Calculator
Add up the area of one or more rooms in square feet or metres, with a waste allowance and optional price per unit to estimate flooring, carpet, tile or paint costs.
Open tool →Daily Calorie & BMR Calculator
Estimate your daily calorie needs and BMR with the Mifflin-St Jeor equation — enter age, sex, height, weight and activity to see maintenance calories plus lose/gain targets.
Open tool →GPA Calculator
Calculate your weighted grade point average on a 4.0 scale — add your courses, letter grades and credit hours, and get your GPA instantly. Add as many classes as you need.
Open tool →Time Duration Calculator
Work out the hours and minutes between a start and end time, as a decimal too, with optional break deduction and overnight-shift support. Built for timesheets and payroll.
Open tool →Age Calculator
Find your exact age from your date of birth — years, months and days, total days and weeks lived, and a countdown to your next birthday. Or get your age on any chosen date.
Open tool →BMI Calculator
Calculate your Body Mass Index in metric or imperial — enter height and weight to see your BMI, the category, and the healthy-weight range for your height.
Open tool →Unit Converter
Convert between metric and imperial units instantly — length, weight, temperature and volume. Type any value and every other unit updates at once. Accurate, no signup.
Open tool →Test Grade Calculator
Enter the number of questions and how many were wrong (or right) to get the score percentage and letter grade instantly — a fast EZ-grader for teachers and students.
Open tool →Paint Calculator
Work out how much paint to buy for a room — enter the wall dimensions, doors, windows and coats to get the paintable area and the number of gallons or liters, rounded up to whole cans.
Open tool →Flooring Calculator
Work out how much flooring to buy — enter the room size, a waste allowance and the coverage per box to get the area, the number of boxes and the total cost. For tile, laminate, vinyl and hardwood.
Open tool →Markdown Table Generator
Paste spreadsheet data (CSV or tab-separated) and get a clean, aligned Markdown table for GitHub, docs and READMEs. Choose alignment, copy with one click.
Open tool →Date Calculator
Find the number of days between two dates, or add/subtract days to land on a deadline (refund windows, launches, timelines). Instant, runs in your browser.
Open tool →Unix Timestamp Converter
Convert Unix timestamps (seconds or milliseconds) to readable dates and back — UTC and local time, plus the live current epoch. For developers. Runs in your browser.
Open tool →Aspect Ratio Calculator
Resize images or video without distortion — enter the original size and one new dimension to get the other, plus the simplified ratio (like 16:9). Instant.
Open tool →UUID Generator
Generate random v4 UUIDs — one or in bulk — with options for uppercase, no hyphens or braces. Cryptographically random, copy with one click. Runs in your browser.
Open tool →Hex to RGB Converter
Convert a color between HEX, RGB and HSL instantly, with a live swatch. Pick a color or paste a hex value and copy any format. For designers and developers.
Open tool →URL Encoder & Decoder
Percent-encode text for safe use in URLs and query strings, or decode an encoded URL back to readable text. UTF-8 safe, two-way, runs in your browser — nothing uploaded.
Open tool →Base64 Encoder & Decoder
Encode text to Base64 or decode it back, instantly and UTF-8 safe (handles emoji and accents). Works fully in your browser — nothing uploaded. One-click copy.
Open tool →JSON Formatter & Validator
Paste JSON to beautify, minify or validate it instantly — clean indented output, one-line minify, and clear error messages. Runs in your browser, nothing uploaded.
Open tool →CSS Gradient Generator
Design linear or radial CSS gradients visually — pick colors and angle, preview live, and copy the background CSS. With a random button for inspiration. For designers and developers.
Open tool →Strong Password Generator
Generate strong, random passwords with a crack-time/entropy estimate. Choose length and character types, copy instantly. Cryptographically secure and 100% in your browser.
Open tool →Color Contrast Checker
Enter a text and background color to see the contrast ratio and whether it passes WCAG AA & AAA for normal and large text — with a live preview. For accessible, readable design.
Open tool →Image Compressor & Resizer
Shrink and resize images (JPG, PNG, WebP) right in your browser — nothing is uploaded. See the size saved and download instantly. Great for product photos and fast pages.
Open tool →QR Code Generator
Turn any link or text into a QR code, pick your colors, and download a crisp PNG or scalable SVG. Great for products, packaging, menus and link-in-bio. No signup, no tracking.
Open tool →Color Palette Generator
Generate harmonious 5-colour palettes in one click — analogous, complementary, triadic or monochrome. Lock colours you like, regenerate the rest, copy any hex.
Open tool →More tools
Party Drinks Calculator
Work out how much wine, beer, spirits and soft drinks to buy for a party or wedding — enter guests, hours and how heavily they drink to get bottle and can counts, with soft drinks for non-drinkers.
Open tool →Fuel Economy Calculator
Work out your car's real fuel economy from distance driven and fuel used — convert between UK & US MPG, litres per 100km and km per litre. Great for checking real-world mpg versus the official figure.
Open tool →Macro Calculator
Turn a daily calorie target into protein, carb and fat grams — pick a split (balanced, high-protein, low-carb) or set your own, or lock protein to grams per kg of body weight.
Open tool →Ovulation Calculator
Estimate your most fertile days and likely ovulation date from your last period and cycle length, plus your next period date. A general cycle estimate — not medical advice or contraception.
Open tool →Water Intake Calculator
Estimate how much water to drink each day based on your weight, activity level and climate — get the target in litres, ml, cups and fl oz. A general-guidance estimate, not medical advice.
Open tool →Wallpaper Calculator
Work out how many rolls of wallpaper you need for a room — enter the perimeter, wall height and pattern repeat to get the drops, rolls and a sensible waste allowance, with spare rolls included.
Open tool →Dog Age Calculator
Convert your dog's age into human years with a size-adjusted model — small, medium, large and giant breeds age differently. Forget the multiply-by-7 myth; get a realistic estimate plus life stage.
Open tool →Cooking Conversion Calculator
Convert cups to grams and ml for common ingredients (it knows flour and sugar weigh differently), plus oven temperatures between Celsius, Fahrenheit and gas mark. Density-aware for accurate baking.
Open tool →Due Date Calculator
Estimate your pregnancy due date from your last period or conception date — see how many weeks pregnant you are and which trimester, with cycle-length adjustment. An estimate, not medical advice.
Open tool →Mulch & Soil Calculator
Work out how much mulch, topsoil, compost or gravel you need for a bed or area — enter length, width and depth to get the volume in cubic yards or cubic meters, plus how many bags to buy.
Open tool →Concrete Calculator
Work out how much concrete you need for a slab, footing or path — enter length, width and thickness to get the volume in cubic yards or cubic meters, plus how many 40/60/80 lb (or 20/25/30 kg) bags of pre-mix to buy.
Open tool →Pomodoro Focus Timer
A focus timer for deep work: 25-minute sprints and short breaks, customizable lengths, a session counter and a gentle chime. Get more done. Runs in your browser.
Open tool →Want the guides behind the tools? Browse our guides by topic — email marketing, sales funnels, digital products, online courses and traffic. Or grab done-for-you templates & toolkits.