Every tool you need,
right in your browser.

Everyday math: percentages, tips, averages, fractions, discounts and more.

Convert and validate JSON, YAML, TOML, XML, CSV and more, instantly.

Base64, URL, HTML entities, JWT, hex, binary and beyond.

MD5, SHA family, HMAC, bcrypt and key generation in-browser.

Case conversion, diff, regex, counters, slugify and more.

Beautify JS, TS, HTML, CSS, SQL, GraphQL and other languages.

Compress, resize, convert and inspect images locally.

Merge, split, compress and convert PDFs, all client-side.

Convert between Word, PDF, Excel, CSV and HTML — entirely in your browser.

Epoch conversion, timezones, cron parsing and date math.

UUID, ULID, passwords, QR codes, fake data and scaffolds.

CIDR/subnet math, user-agent parsing, URL and cURL tools.

Convert, pick, contrast-check and build palettes.

Length, weight, temperature, data size and other units.

Box shadow, radius, flexbox, grid, clip-path and bezier tools.

Quick, animated browser games — typing & reaction tests, 2048, memory and more.

JWT inspector, references, builders and other handy tools.