Perform deep semantic comparison between two JSON documents, highlighting added, deleted, and modified values while generating RFC 6902 JSON Patch.

Free online JavaScript obfuscator. Protect your code by obfuscating variable names, strings, and optionally adding dead code.

Minify JavaScript online. Remove comments, extra whitespace, newlines for smaller script files.

Free online JavaScript deobfuscator and beautifier. Unpack obfuscated JS, decode hex strings, and format messy code.

Beautify and format JavaScript online. Add proper indentation, newlines, spacing to messy JS code.

Calculate IP subnets, network addresses, broadcast addresses, and host ranges online.

Find your public IP address and detailed browser information including OS, screen resolution, timezone, and language settings. Free IP lookup tool.

Convert images to Base64 encoded strings. Get data URI for embedding in HTML/CSS. Supports PNG, JPG, WebP, GIF, SVG. Free online image to Base64 converter.

Build interactive Huffman coding trees, calculate Shannon entropy, average code length, theoretical compression ratios, and binary prefix-free bitstreams.

Calculate and compare page load times, head-of-line blocking delays, and connection throughput across HTTP/1.1, HTTP/2, and HTTP/3 (QUIC) under packet loss.