Text Compare: free online, fast and secure
Spotting what changed between two versions of a contract, essay, code snippet or product description is hard by eye. This diff tool highlights added text in green and removed text in red.
Compare by words for documents, by lines for code and lists, or by characters for small details, with an option to ignore case.
How to use Text Compare
- Paste the original. In the left box.
- Paste the changed version. In the right box.
- Review differences. Additions and deletions are highlighted below with counts.
Why use ConvertKaro Text Compare? Free, fast and secure
There are many Text Compare websites, but most of them upload your files, add watermarks or ask you to pay. Here is why this one is better.
100% Free
Text Compare on ConvertKaro costs nothing. There is no trial, no premium plan and no hidden limit, so you can use it as often as you like.
Fast results
Because nothing travels to a server, results appear almost instantly. Large files are limited only by the speed of your own phone or computer.
Secure and private
Nothing is uploaded. Sensitive files like Aadhaar, PAN, salary slips or contracts stay on your own phone or laptop the whole time.
No signup, no watermark
No account, no email and no watermark on your result. Open the page and start.
Works on every device
Designed for mobile first, so it works just as well on your phone as on a desktop computer.
Word, line or character mode
Choose the level of detail that suits documents, code or tiny edits.
ConvertKaro vs other websites and apps
| ConvertKaro | Typical website or app | |
|---|---|---|
| Price | Free forever, every feature | Free trial, then paid plans |
| Your data | Stay on your device | Uploaded to a server |
| Signup | Not needed | Often required |
| Watermark or ads on result | Never | Common on free plans |
| Speed | Instant, no upload wait | Depends on upload speed |
| Daily limits | None | Usually limited |
Common uses for Text Compare
- Checking edits in contracts and agreements
- Reviewing changes in essays and articles
- Comparing code or config files
- Checking product description updates
- Verifying copied text is identical
Tips for the best results
- Use Lines mode for long documents and code.
- Use Characters mode to find tiny typos.
- Clean both texts with Remove Extra Spaces to ignore spacing differences.
- For PDFs, extract text first with PDF to Text.
Good to know
Writers, students and marketers handle text all day: copying from PDFs, pasting from WhatsApp, combining lists from spreadsheets. Each source adds its own formatting quirks. Text Compare is a small, focused tool that does one job well, so you can clean or analyse text in seconds and get back to your real work. Nothing you type is stored, which makes it suitable for private and work content.
| Price | Free, no limits |
|---|---|
| Processing | In your browser, instant |
| Signup | Not required |
| Watermark | None |
| Works on | Android, iPhone, Windows, Mac, Linux |
| Category | Text tools |
How Text Compare keeps your text private
Everything you enter into Text Compare stays on your device. The tool works offline once the page has loaded, because all the logic is in the page itself rather than on a server. We never receive, log or store your text, so you can use it at work, at school or for personal matters without worrying about privacy.
Using Text Compare on your phone
On a phone, open this page in Chrome or Safari, tap the main button and pick or paste what you need. Results download straight to your phone, usually into the Downloads folder or Files app. You can also add this page to your home screen for one-tap access next time.
Who uses Text Compare?
Here are some of the people who find this tool most useful:
- Students writing essays and assignments with word limits
- Bloggers and SEO writers checking content
- Social media managers writing captions and bios
- Office staff cleaning up copied text and lists
- Anyone who works with words every day
Supported input: Any text in English, Hindi and other languages, copied from Word, Google Docs, websites, PDFs or WhatsApp.
Frequently asked questions
What do the colours mean?
Green is text added in the changed version; red with a line through is text removed.
Can I compare large documents?
Yes. For very long texts, Lines mode is fastest.
Is my text uploaded?
No. The comparison runs locally.
Is Text Compare really free?
Yes, completely free. You can use it as many times as you want, and every option on the page is included at no cost.
Is it safe to use Text Compare online?
Yes. Your data are processed inside your own browser and are never uploaded to our servers, so nobody else can see them.
Does Text Compare work on mobile?
Yes, the tool is built mobile-first. Open this page on your phone, add your data and download the result directly.
Do I need to install anything to use Text Compare?
No. Text Compare works in your web browser. There is no app, plug-in or extension to install.
Will ConvertKaro add a watermark or ask me to sign up?
No. There is no watermark, no login and no email required. Copy or download the result as it is.
Does Text Compare work offline?
Once this page has finished loading, the tool keeps working even if your internet connection drops, because all processing happens on your device.
Related free tools
People who use this tool often need these too: Find and Replace, Remove Duplicate Lines, Word Counter, PDF to Text, JSON Formatter.