Text / FREE ONLINE TOOL
Text difference checker
Compare two blocks of text line by line and show added, removed and unchanged lines.
FREE TO USE
Make it happen.
Preparing your workspace
Checking account availability…
Tools process on your device. Save the workspace to keep working without a connection.
EVERY TASK HAS ITS TOOL
Keep exploring.
Reading time estimator ↗
Estimate reading and speaking time from text and the words-per-minute rates you choose.
FREE TO USE OPEN TOOL ↗Clean whitespace ↗
Trim line edges, normalize line endings and optionally collapse repeated spaces in text.
FREE TO USE OPEN TOOL ↗Reverse text ↗
Reverse text by Unicode code point or reverse the order of words and lines.
FREE TO USE OPEN TOOL ↗Add or remove line numbers ↗
Add sequential line numbers to text or remove existing leading line numbers.
FREE TO USE OPEN TOOL ↗Lorem ipsum generator ↗
Generate placeholder paragraphs of Latin-style text for layouts and design mockups.
FREE TO USE OPEN TOOL ↗Word and character counter ↗
Count Unicode characters, words, lines and UTF-8 bytes.
FREE TO USE OPEN TOOL ↗TOOL GUIDE / INSTRUCTIONS & ASSUMPTIONS
Using text difference checker
Compare two blocks of text line by line and show added, removed and unchanged lines.
- Enter the values or text you want to work with.
- Review the settings and run the tool.
- Review the results and adjust the inputs to compare another scenario.
Example inputs
- Original text: one two three
- Updated text: one three four
Example result
one - two three + four
Prefix + marks additions; − marks removals; two spaces mark unchanged lines. Up to 500 lines per side.
Frequently asked questions
Can I use text difference checker for free?
Yes. This tool is completely free. Grasany account access never adds a subscription or per-use fee.
Where does processing happen?
The interactive tool runs in your browser. File inputs stay on your device. Developers can separately call the documented API for supported text and calculation tools.
What should I check before using the result?
Compare two blocks of text line by line and show added, removed and unchanged lines. Review the inputs and output, and keep a copy of source files before replacing them.