This free online tool helps you compare text, decode JWT tokens, and visually compare images and files. It is designed to be fast and easy to use without installing anything.

Paste two blocks of text into the boxes and click "Compare." The tool highlights what was added, removed, or changed so you can quickly spot differences.

Yes, you can upload files and the tool will compare their text content side by side. (See supported file types below.)

This tool currently supports **plain text files only (.txt)**. Please convert other file types (JSON, CSV, HTML, etc.) to .txt before uploading if you want to compare their raw text content.

JWT decoding shows the token header, payload, and signature fields so you can inspect the data. The tool does not validate signatures; it only decodes the token for viewing.

No. All comparisons and decoding run locally in your browser. Files and tokens are not uploaded or saved on our servers.

Yes. The site is responsive and works on modern mobile and tablet browsers.

Yes, the tool is free to use with no sign-up required.

You can copy or download the comparison result and share it manually. For privacy, we do not host or share your data automatically.

Developers, writers, editors, and anyone who needs to compare text versions, inspect JWT tokens, or visually compare two images. Note: for file compare, only .txt is supported at this time.