Free Online Developer Tools
60 free tools — Formatters, converters, encoders, and code generators
JSON Formatter
Format and beautify JSON data with proper indentation and syntax highlighting. Validates JSON structure while formatting.
JSON Validator
Validate JSON syntax and structure. Detects errors, shows line numbers, and provides helpful error messages.
JSON Minifier
Minify JSON by removing whitespace and unnecessary characters. Reduces file size for production and APIs.
JSON to CSV
Convert JSON data to CSV format. Flatten nested objects and arrays into spreadsheet-ready columns.
CSV to JSON
Convert CSV files to JSON format. Parse spreadsheet data into structured JSON objects or arrays.
JSON to YAML
Convert JSON to YAML format. Transform structured data for config files, Kubernetes, and DevOps workflows.
YAML to JSON
Convert YAML to JSON format. Parse YAML config files into JSON for APIs and JavaScript applications.
JSON to XML
Convert JSON data to XML format. Transform structured data for legacy systems and XML-based APIs.
XML to JSON
Convert XML to JSON format. Parse XML documents into JSON for modern applications and APIs.
XML Formatter
Format and beautify XML with proper indentation. Make XML documents readable and validate structure.
HTML Formatter
Format and beautify HTML code with proper indentation. Make messy HTML readable and maintainable.
CSS Formatter
Format and beautify CSS with proper indentation. Make stylesheets readable and easier to maintain.
CSS Minifier
Minify CSS to reduce file size. Remove whitespace and comments for faster page loads.
JavaScript Formatter
Format and beautify JavaScript code. Add proper indentation and line breaks for readability.
JavaScript Minifier
Minify JavaScript to reduce file size. Remove whitespace and optionally shorten variable names.
SQL Formatter
Format SQL queries with proper indentation. Make complex queries readable and easier to maintain.
PHP Formatter
Format PHP code with proper indentation and PSR standards. Beautify PHP for readability.
Python Formatter
Format Python code with PEP 8 style. Add proper indentation and spacing for readability.
TOML to JSON
Convert TOML config files to JSON. Parse Rust, Python, and other config formats into JSON.
JSON to TypeScript
Generate TypeScript interfaces from JSON data. Create type definitions for your API responses.
Markdown to HTML
Convert Markdown to HTML. Transform markdown documents into styled HTML for web pages.
HTML to Markdown
Convert HTML to Markdown format. Transform web content into markdown for documentation and blogs.
Markdown Preview
Preview Markdown in real-time. See how your markdown renders as HTML as you type.
HTML to JSX
Convert HTML to JSX for React. Transform HTML snippets into valid React/JSX syntax.
URL Encoder
Encode text for use in URLs. Convert special characters to percent-encoded format.
URL Decoder
Decode percent-encoded URLs. Convert encoded URLs back to readable text.
Base64 Encoder
Encode text or binary data to Base64. Convert strings and files for safe transmission.
Base64 Decoder
Decode Base64 to text or binary. Convert Base64 strings back to original data.
Base64 Image Encoder
Convert images to Base64 data URIs. Embed images in HTML, CSS, or JSON.
HTML Entity Encoder
Encode text to HTML entities. Convert special characters for safe HTML display.
HTML Entity Decoder
Decode HTML entities to text. Convert & < > back to original characters.
JWT Decoder
Decode and inspect JWT tokens. View header, payload, and signature without verification.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Support seconds and milliseconds.
Cron Expression Generator
Generate cron expressions for scheduling. Create schedules for scripts, jobs, and automation.
Regex Tester
Test regular expressions against sample text. See matches, groups, and debug patterns in real-time.
Hex to RGB
Convert hex color codes to RGB values. Get decimal RGB from #RRGGBB format.
RGB to Hex
Convert RGB color values to hex codes. Get #RRGGBB from decimal RGB.
Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal. Support any base from 2 to 36.
Epoch Converter
Convert epoch time to human-readable dates. Support Unix timestamp in seconds and milliseconds.
UUID Generator
Generate UUIDs (Universally Unique Identifiers). Create v4 random UUIDs for IDs and keys.
ULID Generator
Generate ULIDs (Universally Unique Lexicographically Sortable Identifiers). Time-sortable unique IDs.
Random String Generator
Generate random strings. Create alphanumeric strings, custom length, for tokens and IDs.
Password Generator
Generate secure random passwords. Customize length, include symbols, numbers, and avoid ambiguous characters.
Hash Generator (MD5/SHA)
Generate MD5, SHA-1, SHA-256, and other hashes. Hash text and files for checksums and integrity.
.htaccess Generator
Generate .htaccess rules for Apache. Redirects, security headers, URL rewriting, and more.
robots.txt Generator
Generate robots.txt files. Control crawler access, sitemaps, and crawl delays.
Meta Tag Generator
Generate meta tags for SEO. Create title, description, viewport, and other essential meta tags.
Open Graph Generator
Generate Open Graph meta tags. Control how links appear when shared on Facebook, LinkedIn, and more.
Schema Markup Generator
Generate JSON-LD schema markup. Create structured data for rich snippets and SEO.
Favicon Generator
Generate favicons from images. Create ICO, PNG, and multi-size favicon packages for all devices.
SVG to CSS
Convert SVG to CSS background. Embed SVG as data URI or inline for background-image.
CSS Gradient Generator
Create CSS gradients visually. Linear and radial gradients with color stops and angles.
Box Shadow Generator
Create CSS box-shadow values visually. Multiple shadows, blur, spread, and color.
Border Radius Generator
Create border-radius values. Generate rounded corners, pill shapes, and custom radius values.
Flexbox Playground
Experiment with CSS Flexbox. Visual playground to learn justify-content, align-items, and flex properties.
Grid Generator
Generate CSS Grid layouts visually. Create grid templates, areas, and responsive grids.
Sitemap Generator
Generate XML sitemaps for SEO. Create sitemap.xml for search engines to discover your pages.
JSON Schema Generator
Generate JSON Schema from JSON data. Create validation schemas for APIs and data validation.
API Request Builder
Test API endpoints. Send GET, POST, and other requests. Inspect headers and responses.
Placeholder Image Generator
Generate placeholder images. Create dummy images by size, color, and text for development.
About Developer Tools
Browse 60 free developer tools on WeGotEveryTool. Formatters, converters, encoders, and code generators. Every tool runs entirely in your browser with no file uploads, no server processing, and no signup required.
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