De Developer Tools

6 free developer tools — JSON, regex, Base64, and web dev utilities.

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JSON Formatter

/json-formatter
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Base64 Image Encoder

/base64-image-encoder
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Regex Tester

/regex-tester
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HTML Minifier

/html-minifier
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Cron Builder

/cron-expression-builder
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HTTP Status Codes

/http-status-codes

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512

JWT Decoder

Decode and inspect JWT tokens

CSS Minifier

Minify CSS code

JS Minifier

Minify JavaScript code

HTML to Markdown

Convert HTML to Markdown format

URL Parser

Parse URL into components

Dummy JSON Generator

Generate sample JSON data

CSS Flexbox Generator

Visual flexbox layout builder

HTML Table Generator

Generate HTML tables from data

JSON to CSV Converter

Convert JSON arrays to CSV format

Data URI Generator

Convert images to base64 data URIs

Markdown Table Generator

Create Markdown tables visually

SVG Path Editor

Build SVG paths visually

XML Formatter

Format and beautify XML

SQL Formatter

Format SQL with indentation

HTML to JSX

Convert HTML to React JSX

JS Obfuscator

Obfuscate JavaScript code

Regex Cheatsheet

Interactive regex reference

HTML Entity Table

Searchable HTML entities

Unicode Search

Search unicode characters

Responsive Tester

Preview at different screen sizes

 Markdown to HTML JSON to YAML YAML to JSON JSON Path Finder CSS Unit Converter Viewport Calculator Font Size Scale Code Snippet Generator Email Validator API Response Mocker cURL Command Builder HTML Attribute Extractor JWT Generator Base32 Converter Env Variable Formatter Data Redactor CSS Grid Generator SQL Query Builder HTML Form Builder Cookie Editor Docker Compose Generator Nginx Config Generator package.json Generator