Runs locally · No upload

Utillio vs Online URL Encoders — Encode Query Strings Privately

URL encoding converts special characters for safe use in query strings. Most encoders only handle encode/decode — Utillio adds a Parse tab that breaks down protocol, host, path, and query parameters, with three encoding modes on one page.

Utillio

  • Encode tab — component, full URL, and form (application/x-www-form-urlencoded) modes
  • Decode tab — reverse percent-encoding with live output
  • Parse tab — protocol, host, pathname, hash, and query param table with decoded values
  • 100% client-side — OAuth callbacks and tokens never hit a server
  • Shareable links preserve input, active tab, and encoding mode
  • Works offline after page load

Typical online URL encoder

  • Simple encode/decode forms — encode or decode only
  • No integrated URL parser or query parameter breakdown
  • Server may log full URLs including session tokens
  • Separate tools needed for URL parsing vs encoding

Verdict

Debugging OAuth redirects or API URLs with encoded query params? Utillio's URL workbench encodes, decodes, and parses in one place — nothing hits a server, and you can share the exact state via link.

Try it yourself