100% free
No sign-up, no watermarks, no limits. Just open a tool and get to work.
Free · Private · No sign-up
Free browser tools that just work
Uzetool is a growing collection of fast, private, browser-based utilities. Everything runs on your device — nothing to install, no accounts, no uploads. New tools are added regularly.
The toolbox
Tools
Pick a tool to get started. More are on the way.
Calculators
Percentage Calculator
Work out percentages, percentage change, tips and discounts instantly — with clear, step-by-step results.
Open tool →Loan & Mortgage Calculator
Estimate monthly loan and mortgage payments, total interest and payoff — with a full amortization schedule.
Open tool →Scientific Calculator
Free online scientific calculator with sin, cos, tan, log, ln, powers, roots, factorial and π — degrees or radians.
Open tool →BMI Calculator
Calculate your Body Mass Index instantly — metric or imperial, with your category and healthy weight range.
Open tool →Age & Date Difference Calculator
Calculate your exact age in years, months and days, or find the difference between any two dates — with total days and weeks.
Open tool →Converters
Unit Converter
Convert length, weight, temperature, volume, area, speed, time and data units instantly — accurate and free.
Open tool →Time Zone Converter
Convert any date and time between time zones worldwide — with live clocks, offsets and daylight saving handled automatically.
Open tool →Currency Converter
Convert between 160+ world currencies with live exchange rates — USD, EUR, GBP, JPY and more, updated daily.
Open tool →Design
Color Picker from Image
Upload or paste an image and grab HEX, RGB, HSL & CSS codes with a pixel-perfect magnifier.
Open tool →Image Compressor
Reduce JPG, PNG & WebP file size before upload — adjust quality, resize, and download smaller images instantly.
Open tool →Image Format Converter
Convert PNG to JPG, JPG to WebP and more — batch convert images instantly in your browser.
Open tool →Image Cropper
Crop JPG, PNG & WebP photos with drag handles, aspect-ratio presets and instant download.
Open tool →Background Remover
Remove image backgrounds with in-browser AI — download transparent PNGs instantly. Nothing uploaded.
Open tool →Favicon Generator
Upload one image and download favicon.ico, Apple Touch Icon, Android icons and site.webmanifest — all sizes instantly.
Open tool →Image to Base64 Converter
Convert images to Base64 data URIs — copy HTML, CSS and JavaScript snippets for inline embedding.
Open tool →Meme Generator
Add top and bottom text to any image with classic Impact font styling — download memes instantly in your browser.
Open tool →EXIF Viewer & Remover
View EXIF metadata in photos and strip GPS, camera info and hidden data before sharing — privacy-focused.
Open tool →Collage Maker
Combine photos into grid layouts — 2, 4, 6 or 9 images with adjustable spacing. Download as JPG or PNG.
Open tool →Social Media Image Resizer
Crop and resize images to Instagram, YouTube, Facebook, TikTok and more — with exact pixel presets.
Open tool →Content
Random Number, Name & Team Picker
Pick random numbers, draw names from a list, or split people into fair teams — with a satisfying spin animation.
Open tool →Word & Character Counter
Count words, characters, sentences and paragraphs instantly — with reading time and SEO meta length guides.
Open tool →Score & skill tests
Reaction Time Test
Click when the screen turns green and get your reaction time in milliseconds — share your ms score and challenge friends.
Open tool →CPS Test & Click Speed Test
Test your click speed and clicks per second (CPS) over 1, 5, 10 or 30 seconds — popular with gamers and Minecraft players.
Open tool →Typing Speed Test (WPM)
Free typing speed test — measure words per minute (WPM) and accuracy in real time. Type, score, share.
Open tool →Spacebar Counter
Press spacebar to count hits or run a 10-second timed test — compete with friends on spacebar speed.
Open tool →Aim Trainer
Click targets as they appear — 30-second rounds with hit score and accuracy. Quick FPS aim practice in your browser.
Open tool →Life & perspective
Life in Weeks Visualizer
Enter your birthday and see your entire life as a grid of week-squares — lived weeks filled in. A powerful memento mori visualization.
Open tool →Boss Toilet Calculator
Enter your boss's salary and watch a live counter tick up while you're on a bathroom break. How much do they earn while you poop?
Open tool →Salary Per Second Calculator
Watch your salary tick up in real time — per second, minute and hour. A live counter that makes abstract pay feel tangible.
Open tool →Phone Life Estimator
Estimate how many days of your life you've spent on your phone — and what that means as a share of your waking hours.
Open tool →Pranks & screen tools
Fake Tip Screen Simulator
Convincing POS-style fake tip screen with absurd presets (30%, 34%, 38%) — launch fullscreen for TikTok-ready pranks.
Open tool →Fake Update Screen
Fullscreen fake Windows or Mac update screen stuck at 3% — the classic "don't turn off your computer" prank.
Open tool →Cracked Screen Prank
Realistic shattered-glass overlay prank — launch fullscreen and watch friends panic. Press Esc to reveal the joke.
Open tool →Fake Loading Screen Generator
Generate a fake loading screen with a progress bar that never finishes — pick a theme, add a message, go fullscreen.
Open tool →Security
Password Strength Checker
Test how strong your password is — live score, checklist, entropy estimate and crack-time analysis. Nothing leaves your browser.
Open tool →Password Generator
Generate strong random passwords and passphrases with crypto-grade randomness — custom length, character options and one-click copy.
Open tool →
Why Uzetool
Simple, private, and always free
Every tool follows the same principles.
Private by design
Your files are processed locally in your browser and never uploaded to a server.
Fast & lightweight
No bloat, no installs. Tools load instantly and work even offline.