Developer Resources

A small library of tools.

Free, browser-based utilities — nothing to install, nothing sent anywhere. Search, filter by category, or browse what’s featured.

Featured

Paste raw JSON and get an instantly formatted, collapsible, syntax-highlighted tree — plus inline error location if it fails to parse.

Generate cryptographically random passwords with the length and character sets you choose, and a live strength read-out.

Dial in border-radius and box-shadow on a live preview box, then copy the exact CSS straight into your stylesheet.

All Tools

Paste raw JSON and get an instantly formatted, collapsible, syntax-highlighted tree — plus inline error location if it fails to parse.

Generate cryptographically random passwords with the length and character sets you choose, and a live strength read-out.

Dial in border-radius and box-shadow on a live preview box, then copy the exact CSS straight into your stylesheet.

Generate a harmonious 5-color palette in one click, lock the ones you like, and copy any swatch as a hex code.

Encode text to Base64 or decode it back, instantly, entirely in your browser — nothing is sent anywhere.

Generate placeholder paragraphs, sentences, or a word list — pick the count and copy the result.

Write Markdown on the left, see the rendered HTML on the right, live — for READMEs, docs, and notes.

Test a pattern against sample text with live match highlighting, capture groups, and flag toggles.

Convert any color between hex, RGB, and HSL instantly — type into any field and the other two update live.