Herramientas de Desarrollo en Línea Gratis

Formatea JSON, codifica Base64, genera hashes, prueba regex y más. Todo el procesamiento ocurre en tu navegador — tus datos nunca salen de tu dispositivo.

Herramientas gratuitas disponibles
19+
Herramientas Gratis
100%
Basado en Navegador
0
Datos Subidos
40
Guías
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JSON Formatter & Validator

Format, validate, and minify JSON data with syntax highlighting and error detection.

B64

Base64 Encoder / Decoder

Encode text or files to Base64 and decode Base64 strings back to their original form.

%

URL Encoder / Decoder

Encode and decode URLs with percent-encoding. Handles special characters and query strings.

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Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or file input.

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Regex Tester

Test regular expressions with real-time matching, group highlighting, and flag support.

JWT

JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and expiration details.

🕓

Timestamp Converter

Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds.

±

Diff Checker

Compare two blocks of text side by side and see additions, deletions, and changes.

🎨

Color Converter

Convert colors between HEX, RGB, and HSL formats with a live preview swatch.

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Code Beautifier

Format and beautify HTML, CSS, JavaScript, and SQL code with customizable indentation.

B64

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to plain text.

CSS

CSS Minifier

Minify CSS by removing whitespace, comments, and unnecessary characters to reduce file size.

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HTML Entity Encoder

Encode special characters to HTML entities or decode them back.

🔒

Chmod Calculator

Calculate Unix file permissions.

Cron Expression Parser

Parse and explain cron job schedules.

🎯

JSON Path Tester

Test JSONPath expressions against data.

👁️

Markdown Preview

Live preview Markdown as rendered HTML.

🗃️

SQL Formatter

Format and beautify SQL queries.

YAML Validator

Validate YAML syntax and structure.

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¿Por qué RunDev?

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100% Privado

Todas las herramientas funcionan en tu navegador. Sin datos subidos a servidores.

Resultados Instantáneos

Sin esperas, sin cargas. Procesa datos en milisegundos.

💰

Gratis para Siempre

Herramientas gratis, sin costo. Sin registro, sin límites, sin anuncios bloqueando.

📱

Funciona en Todas Partes

Escritorio, tablet, teléfono. Cualquier navegador moderno, cualquier dispositivo.

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