Free web tools
Converters, calculators, and text, security and image utilities. Everything runs in your browser — nothing you type or upload leaves your device.
Most used
The tools people look for the most — open and use, no sign-up.
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Merge PDF
Join several PDFs into one in the order you choose - free, no sign-up and without uploading your files.
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Compress PDFNew
Shrink a PDF to send it by email or upload it to a form — free, private and in your browser.
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Background Remover
Remove any photo background automatically with AI and download a transparent PNG - no upload, no sign-up.
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QR Code Generator
Turn any text or URL into a scannable QR code and download it as a PNG - instantly in your browser.
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Image Resizer & Compressor
Shrink one photo or a whole batch to a target width and quality without uploading them anywhere.
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Word & Character Counter
Live word, character, sentence and reading-time counts as you type.
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Password Generator
Create long, random passwords in your browser - with a strength estimate and one-tap copy.
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Age Calculator
Work out an exact age in years, months and days, plus the countdown to the next birthday.
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Percentage Calculator
Percent of a number, percent change, discount price, and tip splitting - five common questions in one tool.
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BMI Calculator
Calculate Body Mass Index from height and weight, with the WHO category and a healthy-weight range.
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Calorie CalculatorNew
Work out your basal metabolic rate and daily calories for your activity level, with targets to lose, keep or gain weight and how much water to drink.
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JSON Formatter & Validator
Pretty-print, minify and check JSON for errors - locally, nothing uploaded.
New tools
The latest additions to the site.
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Spin the WheelNew
Type names or options, spin the wheel and get a fair random winner — for classes, giveaways, games and decisions. Free, no sign-up.
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Typing Speed TestNew
Type a short text for 30 seconds, 1 or 2 minutes and see your speed in words per minute, your accuracy and your level. Free, no sign-up.
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Pomodoro TimerNew
A free Pomodoro timer: 25-minute focus blocks, short and long breaks, a soft sound at the end and today’s count of focus blocks. No sign-up.
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Menstrual Cycle CalculatorNew
Find out when your next period is due, your fertile days and the estimated ovulation day, with the next six cycles on a calendar.
All tools, by subject
Investments & money
Grow your savings, compare investments and plan loans.
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Cash or Installments CalculatorNew
Find out whether a cash discount beats paying in instalments, counting what your money earns meanwhile, and see the interest hidden in the plan.
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Compound Interest Calculator
See how savings grow over time with regular contributions and compound interest.
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Simple Interest Calculator
Work out simple interest and the final amount - or find the rate, the capital or the term - with the formula step by step and a comparison with compound interest.
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Fixed Income Calculator
Compare CDB, LCI/LCA, Tesouro Selic, fixed-rate, IPCA+ and savings side by side, net of income tax, with today's Banco Central rates.
Salary & labour rights
Net pay, severance, holidays, 13th salary and FGTS under Brazilian law.
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Net Salary Calculator
From gross to net pay with the 2026 INSS and income tax tables, including the new exemption up to R$ 5,000, dependents and common deductions.
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Termination Pay Calculator
What you receive when a job ends in Brazil: salary balance, notice, proportional 13th and vacation, INSS and income tax, FGTS fine and withdrawal.
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Vacation Pay Calculator
Vacation pay with the one-third bonus, sold days (abono pecuniário), 13th advance, INSS and income tax with the 2026 tables.
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13th Salary Calculator
The Brazilian 13th salary by months worked, with the first instalment, INSS and income tax on the second, using the 2026 tables.
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FGTS Calculator
Estimate your FGTS balance month by month, the termination fine and how much you can withdraw - with 13th salary, vacation, notice and fund correction.
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Maternity Leave Calculator (Brazil)New
Work out when maternity leave ends under Brazil's CLT (120 or 180 days), the return-to-work date with vacation, job stability and breastfeeding breaks.
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Hours Calculator
Add up the hours you worked in the week from your clock-in times, with breaks, night shifts, overtime and pay per hour - or add and subtract any list of hours.
PDF & documents
Merge, split and convert PDFs, and pull text out of images.
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Merge PDF
Join several PDFs into one in the order you choose - free, no sign-up and without uploading your files.
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Split PDF
Take only the pages you need from a PDF, or split it into one PDF per page - free, private and in your browser.
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Compress PDFNew
Shrink a PDF to send it by email or upload it to a form — free, private and in your browser.
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Images to PDF
Turn photos, scans and screenshots into a single PDF - one page per image, A4, Letter or original size - without uploading anything.
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PDF to Image (JPG/PNG)
Turn every page of a PDF into a JPG or PNG image, up to 300 dpi - free, without sign-up and without uploading the file.
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Image to Text (OCR)
Copy the text of a photo, scanned document or screenshot in English, Portuguese or Spanish - free, and the image never leaves your device.
Audio & video
Convert videos and audio, turn MP4 into MP3 and mute videos - without uploading them.
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Video Converter
Convert videos between MP4, WebM, MOV and MKV in your browser - free, no sign-up and without uploading the file.
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Audio Converter
Convert audio - or the sound of a video - to MP3, M4A, WAV, OGG, FLAC or AAC in your browser, free and without uploading it.
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Extract Audio from Video
Save the sound of any video as MP3, M4A or WAV - free, no sign-up and without uploading the video.
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Remove Audio from Video
Take the sound out of a video and keep the picture - free, no sign-up and without uploading it.
Images & design
Remove backgrounds, enhance, resize and create images and icons.
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Background Remover
Remove any photo background automatically with AI and download a transparent PNG - no upload, no sign-up.
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Photo Enhancer
Fix exposure and colour, sharpen, or one-click auto-enhance a photo - all in your browser.
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Image Resizer & Compressor
Shrink one photo or a whole batch to a target width and quality without uploading them anywhere.
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Photo Collage Maker
Drop a few photos into a grid, set the spacing and shape, and download the collage as a PNG.
See 4 more
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AI Image Generator
Describe a picture, pick a style and format, and open a ready-to-run prompt in Bing Image Creator or ChatGPT - free.
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Icon Library and Downloader
Search hundreds of thousands of open-source icons, recolour them and download SVG or PNG.
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Android Launcher Icon Generator
Turn text, an emoji or an image into a full set of Android launcher icons, ready to drop into your project.
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Color Converter
Paste a colour in any common format and get HEX, RGB and HSL, with a live swatch.
Business & sales
Receive by Pix, get customers on WhatsApp and share with QR codes.
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Pix QR Code Generator
Create a Pix QR code and the copy-and-paste code for any key, with an optional amount and message - free, following the Banco Central standard.
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WhatsApp Link Generator
Create a WhatsApp link with your number and a ready-made message for your Instagram bio, site or ads - plus a QR code to print.
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QR Code Generator
Turn any text or URL into a scannable QR code and download it as a PNG - instantly in your browser.
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LinkedIn Search URL Builder
Turn a target profile into a ready-to-open LinkedIn people-search link with the filters already applied.
Maths & measures
Percentages, rule of three, unit conversions and random numbers.
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Percentage Calculator
Percent of a number, percent change, discount price, and tip splitting - five common questions in one tool.
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Rule of Three Calculator
Solve any rule of three - direct or inverse - and see the calculation step by step, with ready-made examples.
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Quadratic Equation SolverNew
Solve ax² + bx + c = 0 with the quadratic formula: discriminant, real or complex roots, vertex, the steps and the graph of the parabola.
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GCD and LCM CalculatorNew
Find the greatest common divisor and least common multiple of 2 to 10 numbers, with each number's prime factorization and Euclid's steps.
See 3 more
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Grade Average CalculatorNew
Work out your simple or weighted grade average, whether it reaches the passing grade and the grade you need on the next test.
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Unit Converter
Convert length, weight, temperature, area, volume, speed, time, pressure, energy and data - instantly, in your browser.
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Random Number Generator
Pick fair random numbers in any range, with an option for no repeats.
Dates & deadlines
Ages, business days and countdowns.
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Days Between Dates CalculatorNew
Count the days between two dates in days, weeks and months with weekends shown, or add and subtract days from a date to see the resulting day.
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Age Calculator
Work out an exact age in years, months and days, plus the countdown to the next birthday.
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Business Days Calculator
Count the working days between two dates or find the date N working days ahead, skipping weekends and Brazilian national holidays.
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Countdown Timer
A live countdown in days, hours, minutes and seconds to Christmas, New Year, Carnival or any date - with a link to share.
Health
BMI, daily calories and pregnancy week by week.
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BMI Calculator
Calculate Body Mass Index from height and weight, with the WHO category and a healthy-weight range.
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Calorie CalculatorNew
Work out your basal metabolic rate and daily calories for your activity level, with targets to lose, keep or gain weight and how much water to drink.
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Menstrual Cycle CalculatorNew
Find out when your next period is due, your fertile days and the estimated ovulation day, with the next six cycles on a calendar.
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Gestational Age Calculator
How many weeks pregnant am I? Gestational age, due date and the prenatal milestones - from the last period, an ultrasound or the conception date.
Parties & get-togethers
Plan the barbecue and draw the secret friend.
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Spin the WheelNew
Type names or options, spin the wheel and get a fair random winner — for classes, giveaways, games and decisions. Free, no sign-up.
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Barbecue Calculator
Work out the meat per person by cut, plus beer, soft drinks, charcoal, ice and garlic bread - with a shopping list to copy or send by WhatsApp.
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Secret Santa Draw
Draw names for Secret Santa online, free and without sign-up: each person gets a private link that shows only who they drew.
Education & kids
Printable activities for children, for parents and teachers.
Text & writing
Count words, change capitals, compare two versions and fill layouts with placeholder text.
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Typing Speed TestNew
Type a short text for 30 seconds, 1 or 2 minutes and see your speed in words per minute, your accuracy and your level. Free, no sign-up.
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Word & Character Counter
Live word, character, sentence and reading-time counts as you type.
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Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more.
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Text CompareNew
Paste two versions of a text and see exactly what was added and removed, word by word or line by line, with how similar they are - nothing is uploaded.
Developers
Format JSON, encode Base64 and URLs, UUIDs, timestamps and repositories.
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JSON Formatter & Validator
Pretty-print, minify and check JSON for errors - locally, nothing uploaded.
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Base64 Encoder / Decoder
Convert text to Base64 and back, with full Unicode support, in your browser.
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URL Encoder / Decoder
Percent-encode text for safe use in URLs, or decode an encoded URL back to readable text.
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UUID Generator
Generate random version-4 UUIDs (GUIDs), one or in bulk, instantly in your browser.
Passwords & security
Create and test strong passwords, and fingerprint files or text (hashes).
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Password Generator
Create long, random passwords in your browser - with a strength estimate and one-tap copy.
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Password Strength CheckerNew
See how strong a password really is, how long it would take to guess in three attack scenarios and what to change - checked in your browser, never sent.
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Hash Generator
Get the SHA-1, SHA-256 and SHA-512 digest of any text, computed locally.
Test data
Valid CPF, CNPJ, card numbers and fake people for testing systems.
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CPF Generator
Generate valid random CPF numbers with correct check digits, for testing forms and validation logic.
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CNPJ Generator
Generate valid random CNPJ numbers with correct check digits, for testing forms and validation logic.
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Test Credit Card Number Generator
Generate Luhn-valid fake card numbers, expiry dates and CVVs for testing payment forms.
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Fake Person Generator (Brazil)
Generate a complete fake Brazilian profile: name, CPF, RG, address, phone and email, for testing.
Category photos: Negative Space , Daria Nepriakhina , Matt Moloney , Jakob Owens , Leeroy , Negative Space , Mike Petrucci , Snufkin , Tevarak , Chanan Greenblatt , Fernando Arcos , Michal Jarmoluk , Helloquence , Lorenzo Cafaro , Raymond Sam · CC0 (StockSnap)
WhatsApp & social media
Stickers, memes, fancy letters and emojis for your posts and chats.
WhatsApp Sticker Maker
Turn any photo into a WhatsApp sticker: the AI cuts out the subject, you add an outline and a caption, and download a 512 × 512 WebP - free and private.
Meme Generator
Make a meme from your own photo in seconds - classic top and bottom text or a caption above the image - and download it as JPG or PNG.
Emoji Maker
Build a custom emoji from eyes, mouths, colours and accessories and download it as PNG or SVG - free, no sign-up.
Emoji Copy and Paste
All the emojis in one place: search by name in your language, browse by category and click to copy - or build a whole sequence and copy it at once.
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Emoji Downloader
Pick one emoji, a whole category or everything you search and download them as PNG (72-512 px) or SVG in one ZIP.
Fancy Text Generator
Type once and get your text in 16 styles - bold, italic, cursive, gothic, bubbles, upside down… - ready to copy into Instagram, WhatsApp or TikTok.