Text Diff Viewer
Text Diff Viewer
Text Diff Viewer: Supports text, code, and configuration file comparison with side-by-side and unified view modes. Highlights additions, deletions, and changes line by line, supports synchronized scrolling and one-click swap, suitable for code review, document proofreading, and configuration verification
Original Text
Modified Text
Quick Start
Common Scenarios
Code review
verify the scope and impact of changes before committing, and use the diff as context for review comments
Document proofreading
compare revisions to spot added/removed paragraphs and wording changes
Config changes
diff environment or config files before and after edits to avoid accidental parameter removals
Log analysis
compare logs before and after an incident to pinpoint key differences
API responses
compare JSON/text responses across versions to confirm field and order changes
Merge conflicts
inspect both sides of a conflict manually to understand what should be kept or discarded
Release notes
use the diff as raw material to summarize changes for changelogs
Translation updates
check how source text changes impact translations to avoid missing updates
Extended workflow
compare text files, diff tool, and code diff viewer can be handled in the same review flow, so you can verify results before copying or exporting.
Comparison Parameters & View
Usage Advice
Limitations & Compatibility
Session Controls
FAQ
Every character matches. If you expected changes, check for hidden spaces or line breaks
Not automatically—please normalize formatting before comparing
Click the Export icon in fullscreen to save a single‑page HTML; open it to print or share
Large diffs can take a few seconds. If nothing appears after 30 seconds, refresh and compare in smaller chunks