$ free developer tools that do one thing well.
$ no sign-ups. no bloat. no clutter.
Paste messy JSON, get it formatted, validated, and syntax-highlighted. Copy with one click.
Visual cron schedule builder. Plain English translation, next run preview, common presets.
Unique URL that logs incoming requests in real time. Debug integrations without the guesswork.
Custom placeholder images by size, color, and text. Download or hotlink directly.
Test regular expressions in real time. See matches highlighted, capture groups extracted, common patterns included.
Word counter, case converter, character counter, text diff, and more.
Compare two blocks of text side by side. See additions, deletions, and changes highlighted instantly.
Convert between hex, RGB, and HSL. Preview swatches, check contrast ratios, copy CSS output.