Javascript

Free online JavaScript array replacements resolver tool. Detect and resolve obfuscated array-based string replacement patterns to recover readable JS code. 100% private browser-local processing.

Free JavaScript AST visualizer & explorer online. Parse and visualize JavaScript code as an interactive Abstract Syntax Tree. View color-coded node types, expand/collapse tree branches, filter by node declaration or expression type, and inspect detailed properties including position, name

Free JavaScript Minified Code Beautifier online. Format and pretty-print minified JS with configurable indentation, line width, semicolons, and brace style. Original vs beautified comparison. No signup required.

Free JavaScript control flow deobfuscator online. Detect and reverse control-flow flattening by identifying dispatcher patterns, state transitions, and reconstructing branching logic. State-to-block mapping included. No signup required.

Free JavaScript Deobfuscator/Unpacker online. Detect and reverse hex-encoded strings, Unicode escapes, Base64, number obfuscation, and more. Side-by-side deobfuscated output with detected techniques list. No signup required.

Free JavaScript Eval/Function Unpacker online. Detect and unpack code hidden inside eval(), new Function(), setTimeout(), and setInterval() calls. Recursively extracts nested eval layers up to 5 levels deep. Side-by-side unpacked output with detailed pattern detection report. No signup required.

Free JavaScript obfuscation report and analyzer online. Detect obfuscation techniques in JS code: hex encoding, Base64, eval(), control flow flattening, packers, and more. Get a severity score (1-10), deobfuscation difficulty estimate, and actionable tool recommendations. All private, no signup required.

Free online JavaScript Packer/Compressor Unpacker tool. Detect and unpack Dean Edwards Packer format. Extract encoded payloads, keyword dictionaries, and reconstruct original readable source code. Browser-local processing, no signup required.

Free JavaScript Source Map Unminifier online. Upload minified JS code and its source map to reconstruct the original source. Map minified positions back to original file, line, and column. Supports inline and external .map files. All browser-local, no signup required.

Free JavaScript String Unpacker online. Extract and decode hidden strings from obfuscated JS code: hex escapes, Unicode sequences, Base64, split strings, XOR, and String.fromCharCode(). Interactive mapping table - no signup required.

Free JavaScript variable name deobfuscator online. Analyze obfuscated variable, function, and class names in JavaScript code. Paste code with minified names (a, b, _0x, $) and get context-aware meaningful name suggestions with confidence ratings. Build rename mappings, preview deobfuscated code