Free tools
Free online tools for everyday tasks
Calculators, converters, health checks and photo tools that work right in your browser. No signup, nothing to install, and what you type stays on your device.
Most used
Tip Calculator
Split bills, calculate tip by %, and round conveniently for groups.
Unit Converter
Convert temperature, length, weight and cooking units instantly.
Blood Pressure Checker
Check a blood pressure reading against the American Heart Association categories, with plain-language next steps. 100% client-side.
BMI Calculator
Calculate your Body Mass Index with metric or imperial units. Shows BMI category, healthy weight range and BMI Prime.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates. Includes working-day count. 100% client-side.
Percentage Calculator
Calculate percentages: X% of Y, what % is X of Y, percentage increase/decrease. Simple, fast, 100% client-side.
QR Code Generator
Generate QR codes for URLs, text, or Wi-Fi credentials. Entirely in your browser.
Image Resizer & Aspect Ratio
Resize images by pixels or percentage, select standard aspect ratios, lock proportions, and preview before downloading. 100% local.
Everyday
Unit Converter
Convert temperature, length, weight and cooking units instantly.
Age Calculator
Find out how many days you've lived and countdown to your next birthday.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates. Includes working-day count. 100% client-side.
QR Code Generator
Generate QR codes for URLs, text, or Wi-Fi credentials. Entirely in your browser.
Ring, Shoe & Clothing Size Converter
Ring size chart in mm plus shoe and clothing sizes across US, UK, EU, JP and VN.
Countdown Timer
Set a countdown timer with alarm beep. Works in background tab. No install needed.
Timezone Meeting Planner
Compare a time across multiple cities to find a meeting slot that works for everyone.
Pomodoro Timer
Run 5, 10, 25, or 50 minute focus timers with an MP3 alarm and browser notifications.
Random Number Generator
Generate random numbers, roll dice, or pick random items from a list.
Random Choice Spinner
Spin a lucky wheel for giveaways, team picks, lunch choices, and indecisive moments.
QR Code Decoder
Decode QR codes from images or your camera. Reads URLs, WiFi, email and text. 100% client-side.
Todo / Task List
Simple todo list with priority levels and filters. Everything saved locally in your browser.
Text to Speech
Text to speech online free with built-in browser voices. Paste long text and read aloud online instantly.
Barcode Scanner
Scan barcodes from images. Supports Code 128, EAN, UPC, PDF417, QR Code and more. 100% client-side.
Barcode & PDF417 Generator
Generate Code 128, EAN, UPC and PDF417 barcodes. Choose columns, set size, download PNG. 100% client-side.
Typing Speed Test
Test your typing speed and accuracy in real time. Choose 15, 30, 60 or 120 seconds. 100% client-side.
Stopwatch
Precision stopwatch with lap times. Works in background tab. No install needed.
2048
The classic 2048 sliding tile puzzle. Combine matching numbers to reach 2048. Arrow keys or swipe. Best score saved locally.
Random Username Generator
Generate random usernames combining an English word, random characters, and a trailing number. 10-15 characters, 100% client-side.
Quick Tally Calculator
Tap a price button per item sold to build a running total, with quantity badges, a discount %, and fullscreen mode. 100% client-side.
Money
Tip Calculator
Split bills, calculate tip by %, and round conveniently for groups.
Percentage Calculator
Calculate percentages: X% of Y, what % is X of Y, percentage increase/decrease. Simple, fast, 100% client-side.
Loan Calculator
Calculate monthly payments and total interest. Compare two loan plans side-by-side.
Invoice Generator
Create professional invoices with logo, line items, and PDF export. Nothing leaves your browser.
Health
Blood Pressure Checker
Check a blood pressure reading against the American Heart Association categories, with plain-language next steps. 100% client-side.
BMI Calculator
Calculate your Body Mass Index with metric or imperial units. Shows BMI category, healthy weight range and BMI Prime.
TDEE / Calorie Calculator
Calculate your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) based on age, weight, height and activity level.
Water Intake Calculator
Calculate your recommended daily water intake based on weight, activity level, and climate. 100% client-side.
Sleep Cycle Calculator
Find the best times to wake up or go to sleep based on 90-minute sleep cycles. Feel refreshed, not groggy. 100% client-side.
Medicine Reminder
Medication schedule with meal timing, browser notifications and a calendar file for phone reminders. 100% local.
Vision Test (Tumbling E)
Screen your vision at home using the Snellen tumbling E chart. For reference only.
Pregnancy Calculator
Calculate gestational week, due date and trimester from your last menstrual period.
Pregnancy Weight Gain Guide
Calculate recommended weight gain range during pregnancy based on your pre-pregnancy BMI.
Fetal Kick Counter
Count and time your baby's movements. Tap each time baby kicks and track time to reach 10 movements.
Pregnancy Food Safety Checker
Search foods to check if they are safe, limited, or should be avoided during pregnancy.
Pregnancy Nutrition Calculator
Calculate extra calorie and key nutrient needs during pregnancy by trimester.
Images & PDF
Image Resizer & Aspect Ratio
Resize images by pixels or percentage, select standard aspect ratios, lock proportions, and preview before downloading. 100% local.
Image Compressor
Compress JPG, PNG and WebP images in your browser without uploading.
PDF Merge & Split
Merge multiple PDFs into one or split a PDF into selected pages. 100% client-side.
Image Format Converter
Convert images between PNG, JPEG, WebP, and BMP formats. Adjust quality for JPEG/WebP. 100% client-side, no upload.
Background Remover
Remove portrait backgrounds with in-browser ML and download a transparent PNG locally.
Color Palette Extractor
Upload an image and extract 5 dominant colors with HEX and HSL.
EXIF Viewer
Read camera metadata from JPEG photos locally.
Image to ICO Converter
Convert PNG, JPG, WebP and more to .ico favicon files with multiple sizes.
Image Splitter
Split any image into a grid of equal tiles or fixed-size pieces. Download all tiles at once. 100% client-side.
Meme Generator
Add bold top and bottom text to any image and download your meme. 100% client-side.
Image Watermark
Add a text or logo watermark to your images with adjustable position, size, and opacity. 100% client-side.
Text
Word Counter
Count words, characters, sentences, and analyze text statistics.
String Case Converter
Convert text to UPPERCASE, lowercase, camelCase, snake_case, kebab-case, PascalCase, and Title Case, with optional accent removal.
Text Diff Checker
Paste two texts and instantly see word-level differences highlighted.
Pipe Delimiter Data Splitter
Split and filter data columns using a pipe delimiter. Extract information quickly and format accounts easily.
Readability Score
Flesch-Kincaid reading ease, grade level, word count, and reading time.
HTML Text Extractor
Strip HTML tags and extract plain text from any HTML. Handles scripts, styles, tables and links.
Text Sorter & Deduplicator
Sort, deduplicate, shuffle lines and compare two lists by exact match or substring. 100% client-side.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words. Copy instantly. 100% client-side.
Text Reverser
Reverse text characters, word order, or line order. Flip text upside down with Unicode. 100% client-side.
Security & Privacy
Password Generator
Generate strong random passwords instantly. 100% client-side.
Image Metadata Stripper
Remove EXIF, GPS, and all metadata from images locally.
2FA Code Generator
Generate TOTP codes from your 2FA secret key. Never leaves your browser.
MD5 Encoder
Generate MD5 hashes from text locally in your browser.
Hash Generator
Generate SHA-1, SHA-256, SHA-512 hashes from text or files. 100% client-side.
Text Encryptor
Encrypt and decrypt text with a passphrase using AES-GCM. 100% client-side, powered by Web Crypto.
Developer
JSON Path Finder
Inspect JSON, copy exact JSONPath expressions, and test paths locally.
URL Encoder Decoder
Encode and decode URL components locally in your browser.
Base64 Encoder Decoder
Encode and decode Base64 text locally in your browser.
GUID / UUID Generator
Generate UUIDs and convert GUIDs to short GUIDs locally in your browser.
Unix Timestamp Converter
Convert Unix epoch to datetime and back. 100% client-side.
Color Picker
Pick any color and copy HEX, RGB, and HSL values instantly.
Contrast Checker
Check WCAG AA/AAA color contrast ratios instantly.
CSS Gradient Builder
Build linear and radial CSS gradients visually.
JSON Formatter
Format, prettify and validate JSON instantly. Minify in one click.
Cron Job Parser
Parse full crontab lines with commands, explain the schedule, and preview the next 5 runs.
HTML Previewer
Write or paste HTML and preview it live in a sandboxed iframe. Supports full pages and fragments.
JWT Decoder
Decode and inspect JWT tokens. View header, payload claims and expiry status instantly.
Regex Tester & Extractor
Test regular expressions in real time, inspect capture groups, and generate code snippets.
Slug Generator
Convert any title or phrase into a clean URL slug. Handles accents, spaces, and special characters. 100% client-side.
Color Palette Generator
Generate harmonious color palettes from a base color — complementary, triadic, analogous, split-complementary. Copy HEX codes instantly.
Number Base Converter
Instantly convert numbers between binary, octal, decimal, and hexadecimal. Supports large numbers. 100% client-side.