Compare Two Files and See Differences
Open or paste two files and see a clear, highlighted diff showing every addition, deletion, and change between them. Works with text-based files of any kind.
Useful for comparing configuration files across environments, checking what changed in a script, or reviewing edits to any document. The visual diff makes differences obvious at a glance.
Frequently Asked Questions — File Diff Checker
File Diff works with uploaded files and shows the comparison side by side. Text Diff is for pasted text. Both highlight the same types of differences.
No, it's designed for text-based files — code, config files, logs, etc. Binary files need specialized comparison tools.
Yes. Files up to several megabytes work fine. Very large files may take a moment to process.
More Developer Tools
Code Editor
Preview, format, and diff code with syntax highlighting. Supports 15+ languages.
JS Obfuscator
Obfuscate & deobfuscate JavaScript code. Multiple protection levels.
TypeScript to JavaScript
Convert TypeScript code to JavaScript by removing type annotations.
Regex Tester
Test and debug regular expressions with real-time matching.
JSON Viewer
Prettify, minify, and explore JSON with a foldable tree view.
XML Viewer
Format, minify, and browse XML documents in a foldable tree.
JSON to TypeScript
Convert JSON objects to TypeScript interfaces or types.
JSON Diff
Compare two JSON documents and visualize differences in a tree view.