Popular Tools
Explore popular developer, DevOps, cloud, Kubernetes, Terraform, and networking tools on ToolTunnel.
JSON Formatter
Format, validate, and inspect JSON data with syntax highlighting, detailed validation errors, and an easy-to-read structured output.
JWT Decoder
Decode and inspect JSON Web Tokens to view headers, claims, expiration timestamps, and other token payload information directly in your browser.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to readable text directly in your browser.
Color Picker & Converter
Convert colors between HEX, RGB, and HSL formats with live color preview.
Diff Checker
Compare two text or configuration files and quickly identify added, removed, and unchanged lines.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text directly in your browser.
Password Generator
Generate strong random passwords with customizable length, character sets, and security options.
URL Encoder / Decoder
Encode and decode URLs and URL components for safe use in web addresses, query parameters, and APIs.
UUID Generator
Generate random UUID version 4 identifiers directly in your browser.