Free online comparison and formatting tools, supporting text, image, JSON, and audio comparison, as well as JSON formatting and validation
Support direct file upload or paste content, fully runs in the browser, protecting your privacy
Frequently Asked Questions
What is a text diff tool?
A text diff tool compares two pieces of text and highlights the differences between them. It shows which lines were added, removed, or modified, making it easy to see changes at a glance.
How to use this tool?
Simply paste your content or upload files in both input areas, then click the Compare button. The differences will be highlighted automatically.
Is this tool free?
Yes, this tool is completely free to use. No registration required, no hidden fees, and no usage limits.
Is my data safe?
Yes, all processing is done locally in your browser. Your data never leaves your device. We do not store or transmit any of your files or content.
What file formats are supported?
For text comparison, we support all text formats. For images, we support JPG, PNG, GIF, WebP, and SVG. For audio, we support MP3, WAV, OGG, WebM, AAC, FLAC, and M4A. For JSON, any valid JSON format is supported.