Do the task.Keep the file.
Free calculators, PDF and image tools that run entirely in your browser. No sign-up, nothing uploaded.
Privacy & security
4 tools
8 tools
Merge PDFNewCombine PDFs into one file, in any order.Split PDFNewExtract pages or split into one file per page.Images to PDFNewJPG, PNG or WebP into a single PDF.Compress PDFNewShrink scanned and image-heavy PDFs.PDF to JPGNewTurn PDF pages into JPG or PNG images.Sign PDFNewDraw or type a signature and place it on a PDF.Image to Text (OCR)NewCopy text out of photos and scanned PDFs.Organize PDF PagesNewReorder, rotate, delete and number pages.
Images
2 tools
Money & finance
9 tools
Loan CalculatorMonthly payment, total interest and amortization schedule.Compound Interest CalculatorWatch savings grow with monthly contributions.Freelance Rate CalculatorThe hourly rate you actually need to charge.Debt Payoff CalculatorNewSnowball vs. avalanche, side by side.FIRE CalculatorNewYour financial independence number.House Affordability CalculatorNewHome price you can afford on your income.VAT / GST CalculatorNewAdd or remove VAT/GST, 40+ countries.EMI CalculatorNewMonthly EMI, total interest and schedule.Split ExpensesNewTrip and house costs: who owes whom.
Work & pay
3 tools
Dates & time
6 tools
Days Between DatesNewCount days between dates, or add days.Age CalculatorNewExact age, days lived and next birthday.Business Days CalculatorNewWorking days between dates, minus holidays.Japanese Era ConverterNewReiwa, Heisei, Shōwa ↔ Western year.Korean Age CalculatorNew만 나이, 연 나이 and counting age.Minguo (ROC) Year ConverterNewTaiwan Minguo year ↔ Western year.
Everyday utilities
8 tools
Password GeneratorRandom, secure passwords in one click.QR Code GeneratorStatic QR codes in PNG or SVG that never expire.Pomodoro TimerFocus sessions with automatic breaks.Percentage Calculator% of, % change, increase and decrease.Tip Calculator & Bill SplitterNewTip and bill split, per person.Gas Cost & MPG CalculatorNewTrip fuel cost + mpg ↔ L/100 km.Random Name GeneratorNewRealistic names from 15 countries, CSV export.Lakh and Crore ConverterNewLakh, crore, million and billion.
Text & writing
6 tools
Word CounterWords, characters and reading time.Case ConverterNewUPPER, lower, Title, camelCase, snake_case…Remove Line BreaksNewFix text copied from PDFs and emails.Lorem Ipsum GeneratorNewPlaceholder text for layouts and mockups.Compare TextsNewSee every change between two versions.Fancy Text GeneratorNew𝐁𝐨𝐥𝐝, 𝓬𝓾𝓻𝓼𝓲𝓿𝓮 and more to copy.
Documents & IDs
5 tools
Agriculture
6 tools
Sprayer Calibration CalculatorNewL/ha, area per tank and product per tank.Seeding Rate CalculatorNewSeeds per meter, kg/ha and bags to buy.NPK Fertilizer CalculatorNewDose of an N-P-K blend per hectare.Crop Yield & Moisture ShrinkNewMoisture shrink, yield per hectare and revenue.Crop Cost & Profit per HectareNewProfit, margin and break-even per hectare.Irrigation CalculatorNewETc, irrigation depth, time and volume.
Health & fitness
5 tools
BMI CalculatorNewBody mass index and healthy range.Calorie Calculator (BMR & TDEE)NewBMR and daily calories by activity.Water Intake CalculatorNewDaily fluid estimate by weight and exercise.Waist-to-Height RatioNewCentral fat check: waist vs. height.Heart Rate Zone CalculatorNewMax heart rate and 5 training zones.
Home & construction
2 tools
Indie game dev
8 tools
Steam Revenue CalculatorNewWhat you really earn per copy after every cut.Steam Sales EstimatorNewWishlists and reviews → estimated copies sold.Sprite Sheet Splitter & PackerNewSlice sheets into frames, or pack frames.Pixel-Perfect Resolution CalculatorNewPick a base resolution that scales cleanly.Color Palette from ImageNewExtract a palette from any image.Dice Probability CalculatorNewExact odds for any dice roll.XP Curve GeneratorNewDesign level progression and export it.Drop Rate CalculatorNewChance of a rare drop in N tries, with pity.
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Guides
All guidesWhy you should watermark every copy of your ID you sendA photo of your ID in the wrong hands can open accounts and pass identity checks in your name. How copies leak, what a good watermark says, and why it should cover the whole page.2 min readHow to split trip and house expenses fairly (without a spreadsheet)Who paid for what, who shares which costs, and how to settle up with the fewest transfers. A simple method for trips, shared houses and parties — plus the small rules that prevent arguments.2 min readHow to make a résumé that gets read (and where most free builders trick you)A practical guide to writing a one-page résumé recruiters and applicant tracking systems can read — structure, bullet points that sell, what to leave out, and how to avoid paywalls at download.2 min read