Capability overview
What does text editing and merge do in Diff Anything?
Use side-by-side or inline text views and apply selected changes. Pro adds a Base, Ours, and Theirs workspace with explicit conflict choices and an editable merged result.
Diff Anything chooses a comparison engine that understands the inputs. Code and text receive language-aware highlighting and moved-block detection, text adds an interactive three-way merge workspace, JSON and other structured formats compare semantic paths, folders can synchronize a reviewed plan with rollback and undo, PDFs connect rendered pages with extracted text, and images offer overlay, swipe, blink, heatmap, and changed-pixel views.

In the workflow
Review and resolve
Navigate stable differences, apply supported changes, resolve three-way conflicts, or approve a folder synchronization plan without losing source context.
Diff Anything keeps the source pair, selected mode, comparison rules, result, and review state together so the same decision can be revisited or automated.
Useful in practice
Where this capability earns its place.
Related manual
Choose the right comparison mode
Choose sources, understand automatic detection, and select the engine that answers the question you are actually asking.
The guide covers start with the review question, choose and load sources, how automatic mode resolves, read text and structured results, keep code readable, navigate and review, resolve a three-way merge, recover from input problems. It is the best next step when you want to move from the product overview into a repeatable setup.
Read the guideDirect answers
Questions about text editing and merge.
What does text editing and merge do in Diff Anything?
Use side-by-side or inline text views and apply selected changes. Pro adds a Base, Ours, and Theirs workspace with explicit conflict choices and an editable merged result.
Do compared files leave the computer?
No. Comparison is local. The application has no account, cloud comparison service, analytics, or telemetry.
How does automatic mode choose a comparison?
Matching structured formats use their semantic engine, two folders use folder comparison, and other compatible inputs fall back to text. You can always choose a concrete mode.