Free online tools
Everyday tools for your phone or computer: convert and shrink images, make and read QR codes, check that an APK hasn't been tampered with, and more. Every tool runs entirely in your browser, so your files and text never leave your device. There's nothing to install, no sign-up, no watermark and no daily limit. Pick a tool below; each page explains how it works and answers the common questions about it.
Image tools
Image Converter
JPG, PNG and WebP, in any direction
PNG to JPG Converter
Smaller JPGs from PNGs, with a background color for transparency
JPG to PNG Converter
Lossless PNGs from JPG and JPEG photos
WebP to JPG Converter
Turn WebP downloads into JPGs that open anywhere
Image Compressor
Shrink photos for email, upload limits and websites
Image Resizer
Exact pixel sizes or a percentage, aspect ratio kept
JPG to WebP Converter
Smaller WebP files from JPG photos
PNG to WebP Converter
Much smaller files, transparency kept
WebP to PNG Converter
PNGs from WebP, transparency kept
Rotate & Flip Image
Fix sideways photos and mirrored selfies
Black and White Image Converter
Natural-looking grayscale photos
Image to Base64 Converter
Embed images as data URLs
Favicon Generator
favicon.ico and PNG icons from one image
Image Color Picker
Tap a photo to get its HEX color
QR code tools
Text tools
Word Counter
Words, characters, sentences and reading time, live
Case Converter
UPPER, lower, Title and Sentence case in one tap
Remove Duplicate Lines
Clean repeated lines out of any list
Sort Lines Alphabetically
A–Z, Z–A, by length or shuffled
Remove Line Breaks
Fix text copied from PDFs and emails
Remove Extra Spaces
Double spaces, tabs and blank lines, cleaned up
Reverse Text
Letters, words or lines, backwards
URL Slug Generator
Clean, lowercase URLs from any title
Find and Replace Text
Swap words everywhere, with optional regex
Text Repeater
Repeat words or emoji up to 10,000 times
Lorem Ipsum Generator
Placeholder paragraphs, sentences or words
Text to Speech
Your device reads any text aloud
Binary Translator
Text to 0s and 1s, and back again
Morse Code Translator
Dots and dashes, both directions
Developer tools
Base64 Encoder & Decoder
Encode and decode Base64, UTF-8 safe
URL Encoder & Decoder
Make text safe for links, or read encoded URLs
JSON Formatter & Validator
Beautify, minify and validate JSON
Hash Generator (MD5, SHA-256)
MD5 and SHA hashes of any text
UUID Generator
Random v4 UUIDs, up to 500 at once
Unix Timestamp Converter
Epoch seconds to dates, and dates to epoch
Number Base Converter
Binary, octal, decimal and hex
Color Converter (HEX, RGB, HSL)
HEX, RGB and HSL, plus contrast check
Random Number Generator
Fair random numbers in any range
Random Name Picker
Fair winners from any list
Roman Numeral Converter
Numbers to Roman numerals and back
Calculators
Age Calculator
Exact age, total days and next birthday
BMI Calculator
Body mass index and healthy weight range
Percentage Calculator
% of, what %, and % change
Discount Calculator
Sale price, savings and stacked discounts
Tip Calculator
Tip, total and split per person
Loan EMI Calculator
Monthly payment, total interest and schedule
Compound Interest Calculator
Growth with monthly deposits, year by year
Date Difference Calculator
Days, weeks and weekdays between dates
Sales Tax, GST & VAT Calculator
Add or remove GST, VAT or sales tax