Compare Text & Code Differences Fast & Privately
Compare text blocks side-by-side or inline with visual highlighting for added, removed, and modified lines in 100% private browser memory.
Loading tool…
How to Use Text Diff Checker
- 1
Paste Original & Modified Text
Input original text in the left editor and modified text in the right editor.
- 2
Select View & Compare Options
Switch between Side-by-Side and Unified views, and toggle whitespace or case sensitivity.
- 3
Inspect & Copy Diff
Review highlighted additions (+), deletions (-), and copy the formatted diff summary.
Frequently Asked Questions
EarnovaDiff uses a client-side Longest Common Subsequence (LCS) algorithm to compute line-by-line additions, deletions, and unchanged segments in real time.
Explore More Developer & Data Tools
Earnova Digital offers 10 free developer & data tools — all running privately and client-side in your browser.
JSON Formatter & Validator
Format, validate, and minify JSON data with real-time syntax checking, indentation control, interactive tree inspector, and export.
HTML Entity Converter
Convert text and special characters to Named, Decimal, and Hex HTML entities. Includes reverse decoder and non-executable XSS safety preview.
SQL Query Formatter
Format, beautify, and minify SQL queries across Standard SQL, MySQL, PostgreSQL, SQLite, and T-SQL with customizable indentation and keyword casing.