JSON·Tool

URL Encoder / Decoder

Use URL Encoder / Decoder online — free, private, and 100% in your browser.

URL Encoder / Decoder percent-encodes text so it is safe to use in URLs, and decodes it back. Everything runs locally in your browser, so your data is never uploaded to any server. It's free, fast, and works on every modern device.

How to use

  1. Paste or type your content into the input box.
  2. Click the matching button to run the conversion.
  3. Copy the result — or tweak the options and run again.

Why use this tool

Frequently Asked Questions

Is URL Encoder / Decoder free and private?

Yes. URL Encoder / Decoder runs entirely in your browser — your data is never uploaded, and the tool is completely free with no sign-up.

How does URL Encoder / Decoder work?

It percent-encodes text so it is safe to use in URLs, and decodes it back. All processing happens client-side with JavaScript, so it's instant and safe even for sensitive data.

Does it work on mobile and all browsers?

Yes. It works in any modern browser on desktop, tablet, and phone — no installation needed.

Related tools

JSON Formatterbeautifies and indents messy JSON into a clean, readable structure, with optional key sorting. JSON Minifiercompresses JSON by stripping whitespace to shrink its size for faster transport. Base64 Encoder / Decoderencodes text to Base64 or decodes Base64 back into UTF-8 text. Unicode Escape / Unescapeconverts non-ASCII characters into \uXXXX escape sequences, and unescapes them back.