PHP serialized data repair
Repair serialized data that a database search-replace broke, and see what is actually inside it.
Runs here · PHP · WordPress · Zero-backend
Tools
Small, free tools I built because I needed them. Every one runs entirely in your browser — nothing you paste, type, or upload leaves your computer.
No accounts, no limits, no tracking. All of them are open source .
No tools match that. .
WordPress
wp-config.php builder
A whole wp-config.php, not just salts, with the constants people forget until something goes wrong.
Runs here · PHP · WordPress · Zero-backend
WooCommerce
WooCommerce fee & margin calculator
What you actually keep from a sale, once the gateway and the tax authority have taken theirs.
Runs here · WooCommerce · Zero-backend
CSS & layout
PX to REM converter
Pixels to rem and back, at whatever root font size your project uses.
Runs here · CSS · Zero-backend
PX to EM converter
Pixels to em and back, plus the compounding behaviour that makes em bite.
Runs here · CSS · Zero-backend
PX to Tailwind converter
Turn a pixel value into the Tailwind utility that produces it, and find out when there isn't one.
Runs here · Tailwind CSS 4 · Zero-backend
LiveMarkup
Paste HTML, CSS and JS, see it render instantly. No account, no project setup, nothing to save.
App · JavaScript · ACE Editor · Prettier
Writing & editing
LiveMarkdown
Write Markdown and watch it render, including the maths and diagrams most quick previewers skip.
App · JavaScript · KaTeX · Mermaid