Developer and productivity tools that run inside your browser

Convert text between lower case, UPPER CASE, Title Case, camelCase and snake_case.

Sort lines alphabetically or numerically, remove duplicates and blank lines in one click.

Turn any title into a clean, URL-safe slug.

Pretty-print, minify and validate JSON with clear error positions.

Encode and decode Base64 text, including UTF-8 safe mode.

Test regular expressions with live matches and capture groups.

Convert between Unix timestamps and human-readable dates.

Percent-encode and decode URLs and query strings.

Generate MD5, SHA-1 and SHA-256 hashes from text or files.

Shrink JPEG, PNG and WebP images locally without uploading them.

Create QR codes for text, links and Wi-Fi credentials.

Convert colors between HEX, RGB, HSL and pick accessible contrast.

Create strong random passwords with the length and rules you choose.

Convert length, weight, temperature, data size and more.

Compare times across cities and plan meetings without confusion.