devutils

A small set of everyday developer utilities. Everything runs in your browser.

JSON Prettify

Parse messy JSON — double-encoded, JS-object style, or log-escaped — and format it.

Turn Extended JSON and mongo shell output into plain, readable JSON.

Decode or encode UTF-8 text, with URL-safe and missing-padding handling.

Resolve a Facebook post URL to its numeric id and shares-view link.

Open a local HTML file in a JS-enabled iframe — iOS Quick Look blocks scripts.