Compare Text Online - Free Diff Checker
Compare texts or files instantly online with our diff checker. Find text differences via side-by-side views and real-time highlighting.
About This Tool
Welcome to our Text Compare Online tool, a free online diff checker designed for anyone needing to compare text files, documents, or code. Our tool lets you compare two texts in real time, making sure you spot differences between texts instantly. Whether you need to find differences between two text files, compare text documents, or check text differences in code, this tool offers side-by-side views, text diff online analysis, and secure results. View differences word-by-word or line-by-line with our browser-based tool. No registrations, or plugins are required – your comparisons stay private and disappear after each session. Works seamlessly on Windows, Mac, Android, or iOS.
Why Use Our Tool?
Code & Docs Friendly
Supports text files, JSON, HTML, and 80+ formats side-by-side.
Pixel-Perfect Accuracy
Detects exact differences in texts, code, or documents line-by-line.
Speed & Efficiency
Compare text in seconds, boost productivity and workflow efficiency.
Split-Second Clarity
Easily compare texts with a clear, dual-pane view for better accuracy.
What’s Next?
We’re building these highly-requested features to make comparisons even smarter:
- Adjust comparison settings to fine-tune sensitivity, ignore case, or filter specific characters.
- Suggest more ideas via support@trywebkits.com.
Privacy Note
We value your privacy. All text comparisons and differences are processed directly in your browser using JavaScript, so your data never leaves your device. There's no server-side processing or data collection involved, keeping your content completely private.
Frequently Asked Questions
After initially loading the tool in your browser, all comparisons happen offline-no internet required. Works on Chrome, Brave, Firefox, and Safari.
Yes! Our tool supports Unicode, so you can compare texts in any language (e.g., English, Hindi, Spanish, Arabic).
We support DOCX, PPT, PDF, HTML, JSON, ODT, EPUB, and CSV. You can upload any file type, and we’ll extract text for comparison.
No hard limits! Performance depends on your device’s memory. For best results, we recommend comparing texts under 100,000 lines or files smaller than 25MB.
Yes! Fullscreen mode supports PDF, Word, Excel, JSON, HTML, and code files comparison in any language with synchronized side-by-side comparison.
