We do not store your data. All processing happens in your browser.

Static + Browser-Only

URL Encoder and Decoder Online

Encode or decode URLs, query strings, and escaped link fragments in your browser before sharing them in chats, tickets, docs, or debugging workflows.

All processing happens locally in your browser. No server processing required.

Input

Raw URL or query string

Tip: paste text or drag and drop a file here.

Paste or drag and drop a file, then run the tool.

Output

Transformed result

Encoded or decoded output will appear here

Use Cases

When should you encode or decode URLs?

Use this tool when links, callback URLs, redirect parameters, or query strings need to be cleaned up before sharing them in debugging notes, API docs, support tickets, or vendor examples.

  • Make encoded query strings readable before review
  • Prepare safe URL fragments for docs or support
  • Check redirect, callback, and signed URL parameters locally
  • Clean up encoded URLs before sharing them with AI tools

How It Works

What is a URL encoder and decoder?

A URL encoder turns reserved characters such as spaces, slashes, ampersands, or email symbols into a safe encoded form for URLs and query strings. A decoder reverses that process so links become readable again before review or troubleshooting.

  • Decode percent-encoded URLs and query strings
  • Encode raw strings for safe sharing
  • Copy or download the result immediately

Privacy Detail

Does this URL tool upload links anywhere?

This tool runs as a static browser page. It transforms URLs and query strings in client-side JavaScript in the current tab. No form submission, fetch request, XMLHttpRequest, or encoding API call is used during the workflow.

  • No form submission is used for the encoding or decoding flow.
  • No fetch, XMLHttpRequest, or API call runs during processing.
  • The page uses local browser JavaScript only.
  • The link text stays in the page unless you copy or download it yourself.
  • The workflow does not store the URL content in browser local storage.

FAQ

Who should use a URL encoder and decoder?

Can this tool decode encoded query strings?

Yes. It can decode percent-encoded query parameters, callback URLs, redirect links, and similar encoded fragments.

When should I encode a URL again?

Encode a URL or query value when you need to safely reuse it in documentation, redirects, support examples, or API references.

Who is this tool for?

Mask Payload is for engineers, QA teams, support teams, API specialists, and anyone who shares URLs or query strings during debugging and documentation workflows.

Why encoded URLs and query strings often need cleanup before sharing

Real debugging and support workflows often involve redirect links, callback URLs, tracking parameters, and encoded query strings that are hard to read in raw form. Decoding them first makes it easier to review the true destination, parameter names, and values before pasting them into tickets, chats, or AI prompts.

Encoding is just as useful in the opposite direction. If you need to share a path, email address, return URL, or query value safely inside a URL, encoding helps preserve special characters and avoids broken links in documentation or examples.

Examples

Example input and output

These examples show how encoded link fragments can be made readable before sharing.

Example Input Encoded URL string 
https://example.com/callback?email=john.doe%40example.com&return=%2Fbilling%3Ftab%3Dcards
Example Output Decoded URL string 
https://example.com/callback?email=john.doe@example.com&return=/billing?tab=cards

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