Browser-first utilities for developers and creators

Reorder images and export them as a single PDF.

Draw winners or split names into random teams.

Evaluate WCAG contrast ratios with live previews.

Compress images via Canvas/Web Workers without uploads.

Turn JPG/PNG/WebP files into another format instantly.

Generate random palettes and CSS gradients with one click.

Generate Tweet/Instagram style cards and download screenshots.

Upload an SVG icon and recolor fills/strokes client-side.

Remove or extract emojis from any text block.

Input height/weight to view BMI and a quick health tip.

Measure the distance between two dates in days, weeks, and months.

Convert length, weight, shoe size, and clothing charts.

Map Chinese family titles by selecting yourself and the relative steps.

Turn RMB amounts into uppercase financial text instantly.

Convert Celsius, Fahrenheit, Kelvin, and Rankine for global workflows.

Countdowns, greetings, and prep lists for Lunar New Year gatherings.

Parse 5-field cron strings with readable summaries and next runs.

Validate and pretty-print JSON without leaving the browser.

Create UUID v4 strings with Web Crypto in your browser.

Generate placeholder text on the fly.

Preview Markdown with GitHub-flavored markdown support.

Convert between HEX and RGB on the fly.

Inspect photo metadata (camera, time) in your browser.

Create QR codes locally from text or URLs.

Compute MD5, SHA-256, and SHA-512 locally in your browser.

Generate strong local passwords with custom length and symbols.

Pick a base time and preview it across teammates' time zones.

Paste numbers to get mean, median, variance, and a quick trend line.

Recognize English or Chinese text from an image locally.

Use ffmpeg.wasm to clip and export GIFs entirely in-browser.