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.