Quickly find differences between your files. Just paste or upload to see the changes instantly.
What is Diff Checker?
Did you try to find what changed between the two versions of your text or code? It can be tricky, right? That’s why we developed Diff Checker – a simple tool that shows you what’s different between two pieces of text or files. It highlights the changes.
🔐 Your Stuff Stays With You
Some tools send your data to a server (a big computer far away). Not ours. Diff Checker works right inside your browser, on your device. So your writing, code, or any file you upload never leaves your computer. Pretty cool, right?
🛠️ How to Use It
Using Diff Checker is easy — here’s how:
- Add your content
Just paste your original text or code in the left box, and the changed text in the right box. Or you can upload files instead. - Click “Compare”
There’s a button under the boxes. Click it when you’re ready. - See what’s changed
Instantly, you’ll see the changes – they’ll be marked and easy to spot.
💡 Why Try Our Diff Checker?
- 📁 Works with lots of files: From .txt and .pdf to .html, .js, .docx, and many more.
- 🔄 Use it as much as you want: No signup, no limits. Just use it online whenever you want.
- 📱 Mobile-friendly: Yes, It works smoothly on a phone or laptop.
Frequently Asked Questions (FAQ)
Is Diff Checker free to use?
Yes, 100% free.
Does it store my data?
Nope. Everything stays in your browser. We don’t save anything.
Can I use it a lot?
Yes! No limits on how much you compare.
Can I use it on my phone?
Absolutely. It works on all screen sizes of any device.
Is Diffchecker safe?
Totally. Since your files never leave your device, your data stays safe and private.
You can also use our Character Counter Tool to count string lengths or characters in your content.