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URL Codificador

Codifica y decodifica cadenas URL con codificación porcentual. Codificador URL online gratuito para direcciones web seguras.

URL Codificador is a free online desarrollador tool that works right in your browser — whatever you enter is processed locally and never sent to a server. No installation, no signup; works on both phone and desktop, ready to use instantly.

Herramientas de código diseñadas para desarrolladores con resaltado de sintaxis, validación en tiempo real y formateo. Cobertura completa de JSON, XML, YAML, SQL y más.

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How to use

  1. 1 Abre la página de la herramienta URL Codificador.
  2. 2 Pega tu texto, URL o datos en el área de entrada.
  3. 3 Elige el modo de operación y los parámetros.
  4. 4 Ejecuta la herramienta y revisa el resultado.
  5. 5 Copia o descarga el resultado.

Why we built this tool

As developers ourselves, we kept switching between scattered tools that sent our code to unknown servers. We built this developer suite so formatting, validation, and conversion all run locally — your code stays yours.

About URL Codificador: what you should know

Frontend developers building query strings, backend engineers constructing redirect URLs, and QA analysts crafting webhook POST bodies. URL encoding matters whenever slashes, spaces, ampersands, or non-ASCII characters appear in a parameter value — the wrong encoding breaks auth callbacks, tracking links, and form submissions.

Key features

  • Dual Mode: Percent & Plus Encoding — Standard percent encoding (RFC 3986) plus the `+` shortcut for form data (application/x-www-form-urlencoded). Toggle between them depending on whether you are building a REST query or a POST body.
  • Full Unicode Coverage — Chinese, Arabic, Cyrillic, and emoji characters are percent-encoded correctly instead of being silently dropped or causing a malformed URL. Paste a full internationalized query and verify the percent-UTF-8 output.
  • Quick URL Validation — Encoded results automatically get appended with the correct parameter prefix if you need a ready-to-paste `?param=value` or `&param=value` snippet.

Common use cases

  • Building OIDC Auth Callback URLs — OpenID Connect redirect URLs carry state and nonce parameters that must survive encoding. Encode your callback destination URL before inserting it into the authorization request — missed spaces in the redirect_uri are a common cause of auth failures.
  • Generating Trackable UTM Links — Marketing teams build UTM query strings that include campaign names, source identifiers, and sometimes Chinese characters or spaces. Proper encoding ensures tracking links open without parameter truncation.

Preguntas frecuentes

¿Es gratuita esta herramienta?

Sí, completamente gratuita y sin registro.

¿Puedo usarla en el móvil?

Sí, funciona en navegadores móviles con soporte táctil.

¿A qué categoría pertenece?

Desarrollador

¿Qué formatos de lenguajes de programación son compatibles?

Soporta JSON, XML, YAML, SQL, CSV, TOML y más, además de conversión de formato de código para Java, Python, TypeScript, etc.

What code and data formats are supported for formatting and validation?

ToolPure supports JSON, XML, YAML, TOML, CSV, SQL, and Markdown formatting. Validation includes syntax checking, schema validation for JSON, and well-formedness checking for XML.

Can I convert between different data formats?

Yes, you can convert between JSON, XML, YAML, CSV, and TOML. The converter preserves data types, nested structures, and array indices during conversion.

Is there a file size limit for code formatting?

Files up to 10MB can be formatted without issues. For larger files, the tools use Web Workers to prevent UI freezing. Syntax highlighting supports files with up to 100,000 lines.

Is URL Codificador safe? Is my data uploaded or stored?

Yes. URL Codificador is a pure front-end tool: whatever you type or paste is processed only in your browser's memory and never sent to a server. It disappears as soon as you refresh or close the page.

🔒 Privacy & Security:All processing happens locally in your browser. Files are never uploaded or stored.

🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.

📖 How-To Guides