Compare two text versions clearly
Paste an original and revised text, choose line or word comparison, optionally ignore case and whitespace, and review additions and removals in a clear diff.
How to use this tool
- 1
Add both versions
Paste the original text on the left and the revised text on the right.
- 2
Choose comparison
Select line or word mode and set case or whitespace rules.
- 3
Compare
Run the diff and inspect added, removed, and unchanged sections.
- 4
Copy or export
Copy a plain summary or download the comparison as a text file.
What it can do
Line and word diff
Switch granularity depending on whether you are comparing documents or short copy.
Case and whitespace rules
Reduce noise from formatting-only edits.
Change counts
See added and removed segment totals at a glance.
Safe rendering
Diff content is rendered as React text nodes instead of injected HTML.
Useful for
- Reviewing document revisions
- Comparing code or configuration snippets
- Checking edited marketing copy
- Finding changes between policy versions
Limits to know
- This is a text diff, not a semantic or AI comparison
- Very large inputs may take longer on low-memory devices
- Moved blocks can appear as a removal plus an addition
Private browser processing
This tool runs locally in your browser. TunerPage does not upload the working file or text to its servers.
Frequently asked questions
What changes does the tool show?
It identifies added, removed, and unchanged text using line-level or word-level comparison.
Can I ignore letter case?
Yes. Enable Ignore case before comparing.
Can I ignore whitespace changes?
Yes. Whitespace normalization can prevent spacing-only changes from cluttering the result.
Is the text uploaded?
No. Comparison runs locally in your browser.