JSON Formatter
Validate and format JSON with indentation for easier reading and debugging.
Developer Tools
Format, encode, decode, validate, hash, and generate common developer outputs.
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JSON Minifier
Minify JSON by removing whitespace while validating the input.
Base64 Encoder Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
URL Encoder Decoder
Encode and decode URL strings, query values, and special characters.
HTML Escape Unescape
Convert special characters to HTML entities or decode entities back to text.
JWT Decoder
Decode JWT header and payload safely in the browser without verifying signatures.
UUID Generator
Generate random UUID v4 identifiers for apps, databases, and testing.
Text Hash Generator
Create SHA-256, SHA-384, or SHA-512 hashes from text using Web Crypto.
All 33 tools
Browse every developer tools.
JSON Formatter
Validate and format JSON with indentation for easier reading and debugging.
Developer ToolsBase64 Encoder Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
Developer ToolsURL Encoder Decoder
Encode and decode URL strings, query values, and special characters.
Developer ToolsHTML Escape Unescape
Convert special characters to HTML entities or decode entities back to text.
Developer ToolsJWT Decoder
Decode JWT header and payload safely in the browser without verifying signatures.
Developer ToolsUUID Generator
Generate random UUID v4 identifiers for apps, databases, and testing.
Developer ToolsText Hash Generator
Create SHA-256, SHA-384, or SHA-512 hashes from text using Web Crypto.
Developer ToolsRegex Tester
Test regular expressions against sample text and inspect matched results.
Developer ToolsJavaScript Formatter
Apply lightweight JavaScript formatting for easier reading and debugging.
Developer ToolsCSS Minifier
Minify CSS by removing comments, extra spaces, and unnecessary line breaks.
Developer ToolsJavaScript Minifier
Minify JavaScript by removing comments and extra whitespace for quick use.
Developer ToolsYAML to JSON Converter
Convert simple YAML objects and lists into formatted JSON in the browser.
Developer ToolsQuery String Parser
Parse URL query parameters into readable key-value pairs and JSON.
Developer ToolsNumber Base Converter
Convert numbers between decimal, binary, octal, and hexadecimal.
Developer ToolsCSS Clamp Generator
Generate CSS clamp values for responsive font sizes and spacing.
Developer Tools
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About Developer Tools
ConvertA2Z keeps developer tools simple, fast, and mobile-friendly. Each live tool is built around a focused workflow, clear input fields, visible output actions, and related tools so users can move to the next task without searching again.
More advanced server-side conversion, OCR, AI, and media processing features can be added in later phases after backend processing and file retention policies are finalized.