The Developer's Choice for Code Reviews
Join 50,000+ developers who save hours daily comparing code, documents, and configs. Instantly highlight additions and removals with clear line numbers and easy merge options.
Instant comparison of text and documents-no cost to use.
Additions and deletions are visually emphasized, with support for line numbers and easy merging.
No signup, no personal data collection-input is processed in real time and not stored.
No distractions, just open two inputs and compare-ideal for casual users and professionals alike.
Merge changes between your documents as many times as you need, with no restrictions.
Clear policies stating “as-is” availability, privacy guarantees, and disclaimers about user responsibility.
"Diff Guru has become an indispensable tool for our team's code reviews. It's fast, accurate, and incredibly easy to use."
- Alex R., Lead Developer
"As a writer, I constantly need to compare document drafts. Diff Guru saves me hours of manual checking. A real lifesaver!"
- Sarah L., Content Strategist