This brand new secure diffchecker.

It's supports text/code diff upto 25k lines with character level diff all in browser. Supports one of the best inhouse diff merge feature.

https://diffchecker.dev/

Now, add list diff - to compare two lists and show unique, common and diff between two lists.

https://diffchecker.dev/list/

Add json diff, supports semantic json difference.

https://diffchecker.dev/json/

With consistent, clean, minimal UI elements.

Would you switch from other websites. Please checkout and provide feedback.