URL Encoder/Decoder

encodeURIComponent/decodeURIComponent in the browser for query strings and APIs.

{{ url.message }}

Overview

Avoid characters that break parameters. Useful when building links, redirects, and integration tests.

Technical deep dive

Common questions summarized

  • What is this tool for?: It runs fully in your browser: useful to validate, format, or convert data in everyday development.
  • Are my inputs sent to a server?: Processing happens locally with JavaScript. We do not store what you paste into the text areas.
  • Can I use this for real production data?: Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.

Sample payload to try

  • See also the larger "Code Snippets" sample; paste this excerpt to try locally: Query — nome=João Silva → nome=Jo%C3%A3o%20Silva

Tool guide

  • What URL encoding (percent-encoding) is Reserved or non-ASCII characters in URLs are written as % plus two hex digits (e.g. space as %20). Query strings need this so parsing does not break.

  • What the tool does Applies encodeURIComponent / decodeURIComponent to the text.

  • Why use it Build links with accented names, debug redirects, test integrations with special parameters.

Code Snippets

Code example
nome=João Silva → nome=Jo%C3%A3o%20Silva

Query

nome=João Silva → nome=Jo%C3%A3o%20Silva

FAQ

What is this tool for?

It runs fully in your browser: useful to validate, format, or convert data in everyday development.

Are my inputs sent to a server?

Processing happens locally with JavaScript. We do not store what you paste into the text areas.

Can I use this for real production data?

Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.