Fast, Essential Developer Tools – Right at Your Fingertips

All the utilities you need, in one place. Convert, encode, hash, and more – instantly.

Disclaimer: All computations are performed locally in your browser (front-end only). No data is sent to or stored on any server. However, please exercise caution when using sensitive information

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Select one of the tools below to start

Converters

String To JSON Converter

Convert a string into a properly formatted JSON object for easy parsing.

CSV To JSON Converter

Transform CSV data into a structured JSON format for easier manipulation and use in web applications.

JSON To CSV Converter

Convert JSON objects into CSV format, ideal for spreadsheets and data analysis.

YAML To JSON Converter

Convert YAML data into JSON format for easy parsing and manipulation.

Markdown To HTML Converter

Convert Markdown syntax into raw HTML for web content formatting.

Generation

UUID Generator

Generate universally unique identifiers (UUID) for identifying objects in a distributed system.

Encode/Decode

Base64 Decode/Encode

Encode or decode data in Base64 format for secure data transmission.

JWT Tool

Decode, verify, and generate JSON Web Tokens (JWT) for secure data transmission.

URL Encode/Decode

Safely encode or decode URLs to handle special characters in web addresses.

Hash Generator

Generate cryptographic hashes (e.g., MD5, SHA-256) for secure data hashing.

HTML Entity Decode/Encode

Convert special characters to HTML entities or decode them back for proper web rendering.

Checksum

Calculate file or string checksums (e.g., MD5, SHA-256) to verify data integrity.

HMAC Generator

Generate Hash-based Message Authentication Code (HMAC) for secure data authentication.

Testing/Utilities

Regular Expression Tester

Test regular expressions (regex) against sample text to validate patterns for searching and matching data.

Web Development

Open Graph Preview

Preview how a URL will look when shared on social media platforms.