Developer Tools Collection
A comprehensive suite of free utilities for developers and web designers. Encode, decode, format, and convert your data securely in your browser.
About These Tools
This collection brings together the most essential text processing utilities used daily by developers. All conversions happen entirely within your browser, ensuring your data remains private and secure—nothing is ever sent to a server.
Base64 Encoder / Decoder
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used to encode data that needs to be stored and transferred over media that are designed to deal with textual data.
- Encode: Convert text or code into a Base64 string.
- Decode: Convert a Base64 string back to its original format.
URL Encoder / Decoder
Percent-encoding (URL encoding) is a mechanism for encoding information in a Uniform Resource Identifier (URI). It converts characters into a format that can be transmitted over the Internet.
- Encode: Convert special characters to their percent-encoded equivalents (e.g., space becomes %20).
- Decode: Convert encoded URLs back to human-readable strings.
HTML Entity Escaper
HTML escaping replaces reserved characters (like <, >, &, ") with their corresponding HTML entities. This is crucial for displaying code snippets on a webpage without the browser interpreting them as markup.
JSON Formatter & Minifier
JSON (JavaScript Object Notation) is a lightweight data-interchange format. This tool helps you validate, format, and compress JSON data.
- Format (Prettify): Indents JSON to make it human-readable.
- Minify: Removes whitespace to reduce file size for production.
YAML ↔ JSON Converter
YAML (YAML Ain't Markup Language) is a human-friendly data serialization standard often used for configuration files. This tool creates a seamless bridge between YAML and JSON.
YAML to JSON
Ideal for converting configuration files (like kubernetes.yaml or docker-compose.yml) into JSON for API usage or validation.
JSON to YAML
Great for converting complex JSON objects into a cleaner, more readable YAML format for configuration.
Why Use This Calculator?
- Client-Side Security: Your data never leaves your browser.
- All-in-One Convenience: Switch between tools instantly without reloading or finding new sites.
- Instant Feedback: See results immediately as you type (with smart debouncing).
- Persistence: Share specific states with teammates using URL parameters.