Diff, Compression & More Tools

Text Diff

Compare two blocks of text side-by-side with line-level diff highlighting. Additions in green, removals in red.

JSON to TypeScript

Paste any JSON object and get back a TypeScript interface with correctly inferred types. Handles nested objects, arrays, nullable values, and mixed-type arrays.

Image Compression

Upload a JPEG or PNG and compress it server-side. Adjust quality and see the before/after file size and a visual preview before downloading.

RSA Key Generator

Generate RSA key pairs of configurable length (1024, 2048, 4096 bits) in the browser. View the public and private keys in PEM format and copy either independently.

My IP

Displays your current public IP address.

New References

• HTTP Status Codes — all codes with descriptions, grouped by class
• MIME Types — common MIME type strings grouped by file category
• Unix Signals — signal names, numbers, and default actions