Everyday tools that run on your device, not our server.
Twenty-four small utilities for writing, converting, generating and calculating — use them instantly right here, or open any tool on its own full page. Nothing you type or upload ever leaves your browser.
Word & Character Counter
Live counts as you type.
Password Generator
Set length and character types.
QR Code Generator
Text or URL, up to 42 characters.
Age Calculator
Exact age from a birth date.
BMI Calculator
Body mass index from height and weight.
Unit Converter
Length, weight and temperature.
JSON Formatter & Validator
Pretty-print or validate JSON.
Case Converter
Upper, lower, title and sentence case.
Lorem Ipsum Generator
Placeholder text for mockups.
Base64 Encode / Decode
Convert text to and from Base64.
URL Encoder / Decoder
Percent-encode query strings and paths.
Percentage Calculator
What is X% of Y — and percent change.
Color Palette Generator
Five-color palette from one base color.
CSS Gradient Generator
Two-color linear gradient with live CSS.
Hash Generator
SHA-1 / SHA-256 / SHA-512, via the browser's built-in crypto.
Timestamp Converter
Unix epoch to readable date, and back.
Random Number Generator
Pick a random whole number in a range.
Slug Generator
Turn a title into a URL-friendly slug.
Image to Base64
Convert an image to a data URI. Stays on your device.
Markdown to HTML
Basic Markdown — headers, bold, links, lists.
Image Compressor to KB
Shrink any photo to exactly 50KB, 100KB, 200KB or 500KB — made for online job, visa and exam application forms that reject big files.
Open Image Compressor →Passport Size Photo Maker
Turn any photo into a print-ready passport-size picture (35×45 mm) with a clean white or blue background, ready to print or upload.
Open Passport Photo Maker →Image Resizer
Resize any image to exact pixels for social media, websites and online forms — keep the ratio or set width and height freely.
Open Image Resizer →SAT Score Calculator
Estimate your Digital SAT score from practice-test performance — Reading & Writing and Math sections, with a total out of 1600.
Open SAT Calculator →