Developer Tools

Encode special characters for URLs or decode percent-encoded strings. Supports component encoding, URI encoding, and recursive decoding.

Convert special characters to HTML entities or decode entities back to text. Supports named and numeric entities for XSS prevention and safe HTML display.

Convert text or files to Base64 encoding or decode Base64 strings. Supports standard and URL-safe Base64 variants.

Test and debug regular expressions with live matching, capture group visualization, replace mode, and a common patterns library. 100% browser-based.

Decode and verify JSON Web Tokens instantly. Inspect headers, payloads, check expiration, and verify HMAC signatures - all in your browser.

Beautify minified JSON for readability or minify JSON to reduce file size. Includes syntax validation and custom indentation options.

Format and beautify JavaScript code or minify it for production. Preserves strings and regex while handling comments.

Beautify HTML markup for better readability or minify for smaller file sizes. Preserves content in pre, code, and script tags.

Format XML documents with proper indentation or minify for compact output. Validates XML syntax and preserves CDATA sections.

Beautify CSS stylesheets for development or minify for production. Supports modern CSS features including variables and media queries.

Format and beautify SQL queries for better readability. Supports multiple SQL dialects including MySQL, PostgreSQL, and SQL Server.

Write Markdown with live preview and embedded Mermaid diagrams. Create flowcharts, sequence diagrams, and more. Export to PDF, PNG, or JPG.

Extract comprehensive metadata from any file type. Powered by ExifTool, supporting 100+ metadata formats including EXIF, XMP, IPTC, GPS coordinates, and more.

Extract and preserve text from PDFs, Word documents, PowerPoint files, EPUB books, and images. Powered by LlamaParse with AI fallback, returns clean structured markdown.

Build and visualize cron expressions with a visual editor. See human-readable schedules, next execution times, and common presets. 100% browser-based.

Analyze your Dockerfile against security and performance best practices. Get a grade, detailed findings, and an optimized version. 100% browser-based.

Validate Kubernetes manifests against security best practices. Check for missing resource limits, privileged containers, and common misconfigurations.

Validate OpenAPI 2.0 and 3.x specifications. Find broken references, missing descriptions, and documentation gaps. 100% browser-based.

Validate .env files for security issues, formatting errors, and duplicate keys. Diff two environments and generate .env.example files.