Tools that stay on your device

Pretty-print messy JSON with stable indentation so nested objects and arrays are easy to scan.

248k uses

Create strong random passwords in the browser so candidates never travel through a remote API.

236k uses

Count words in essays, briefs, and captions so drafts stay inside the limit you actually need.

222k uses

Turn text or a URL into a QR code you can download, without sending the payload to a printer API.

210k uses

Create RFC-style UUIDs in the browser for database IDs, test fixtures, and idempotency keys.

198k uses

Hash text locally with common digest algorithms to compare checksums and fingerprint strings.

188k uses

Solve percent of, percent change, and reverse percentages for grades, markups, and reports.

182k uses

Measure characters with and without spaces for bios, ads, SMS drafts, and strict form fields.

177k uses

Create labeled placeholder images at a chosen size so mockups can ship before final art arrives.

38k uses

Produce sample JSON records for mock APIs so front-end work can proceed before a backend exists.

41k uses

Encode a Wi-Fi network name and password into a QR code guests can scan without typing either.

36k uses

Mint many UUIDs at once for seed data, CSV identifier columns, and load-test record keys.

30k uses

Draw a simple initials avatar from a name and color so mock user lists look finished in reviews.

22k uses

Parse YAML into JSON so APIs and formatters can consume configs that started as indented files.

28k uses