Free Developer Tools Online
Format JSON, validate XML, decode JWTs, test regex patterns, and convert developer data directly in your browser. No sign-up, no downloads, and no app install required.
Format JSON, validate XML, decode JWTs, test regex patterns, and convert developer data directly in your browser.
Base64 Encoder/Decoder
Encode or decode Base64 strings instantly. Convert text to Base64 and back with our free tool.
CSS Minifier
Minify CSS code online. Remove comments and whitespace to reduce file size.
CSV to JSON
Convert CSV data to JSON format. Transform CSV files into structured JSON arrays.
Curl Generator
Generate curl commands from form inputs. Build HTTP requests visually.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text. Free online hash generator tool.
HTML Formatter
Format and beautify HTML code. Prettify HTML with proper indentation.
HTML Minifier
Minify HTML by removing whitespace and comments. Reduce HTML file size.
JS Minifier
Minify JavaScript code online. Remove comments and whitespace for production.
JSON Formatter
Format and beautify JSON data instantly. Validate, prettify, and structure your JSON with our free online tool.
JSON Minifier
Minify JSON by removing whitespace and formatting. Reduce JSON file size instantly.
JSON to CSV
Convert JSON data to CSV format. Transform JSON arrays into downloadable CSV files.
JSON Validator
Validate your JSON data online. Check for syntax errors and ensure your JSON is well-formed.
JWT Decoder
Decode JSON Web Tokens. View JWT header and payload without verification.
Regex Tester
Test regular expressions online. Match patterns with flags and see results live.
Text Diff Checker
Compare two texts and find differences. Line-by-line diff comparison tool.
URL Encoder/Decoder
Encode or decode URLs online. Convert special characters to URL-safe format.
UUID Generator
Generate unique UUIDs (v4) instantly. Create random universally unique identifiers for your projects.
XML Formatter
Format and prettify XML data. Beautify XML with proper indentation online.
XML Validator
Validate XML syntax online. Check if your XML is well-formed and find errors.
YAML Formatter
Format and clean up YAML data. Normalize indentation in YAML files.
Why choose Anykast?
Built for fast browser-based work across 96 free utilities.
100% Free
No hidden fees or premium gates. Every tool is completely free to use with no limits.
No Sign-up Required
Use any tool instantly. No account creation, no email verification - just open and go.
Privacy First
Your files are processed directly in your browser. Nothing is uploaded to our servers.
Works Everywhere
Desktop, tablet, or mobile - Anykast works on any device with a modern web browser.
Anykast brings together 97+ free online tools for PDFs, images, video, developer workflows, and everyday utility tasks. Whether you need to format JSON, compress images, edit PDFs, convert files, or generate QR codes, the work stays fast, browser-based, and easy to access.
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