Text Compare

About this Tool

The Text Compare utility performs a side-by-side diff analysis of two texts, highlighting added, deleted, or modified lines. Powered by the high-precision Myers Diff algorithm, it operates entirely in your browser to safeguard source code and contracts.

Processed safely on your device

Everything happens in your browser on this device. Your files are never sent to our servers—so you can use it with peace of mind.

How to Use

1

Paste the original text into the left editor panel.

2

Paste the modified text into the right editor panel.

3

Inspect the highlighted color blocks showing line updates (green for additions, red for deletions).

Key Scenarios & Use Cases

Code Refactoring Verification

Compare two source code files to verify updates, refactoring shifts, or fix logs before committing.

Contract Revision Tracking

Audit changed clauses or revised agreement drafts side-by-side to highlight added and erased clauses.

Config Files Audit

Compare complex json settings or env files to spot discrepancies or broken variables.

Frequently Asked Questions (FAQ)

We use the Myers Diff algorithm to auto-align matching lines, inserting empty spacer rows where lines were added/removed.

Yes, the calculations run 100% locally on your machine, eliminating data leakage concerns.