Free Text Similarity Checker
Input
Supports TXT, MD, CSV, JSON, RTF, HTML, XML, LOG, and DOCX files.
Supports TXT, MD, CSV, JSON, RTF, HTML, XML, LOG, and DOCX files.
Output
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Compare two texts clearly
Paste two passages and quickly see where the wording overlaps without switching tools.
Match words or phrases
Switch between single words, two-word phrases, and three-word phrases to compare more precisely.
Private browser-based check
Your text stays in your browser while you review the highlighted overlap and summary stats.
How to compare two texts online
Step 1
Paste your first passage into Text A and the second one into Text B.
Step 2
Choose how detailed you want the comparison to be by adjusting phrase and word settings.
Step 3
Review the highlighted matches, then use the summary panel to see how much wording overlaps.
Why use a text similarity checker?
FAQ
How does this text similarity checker work?
It compares the words and phrases in both texts and highlights the overlap directly in the browser.
Can I compare phrases instead of single words?
Yes. Change the phrase size to compare one-word, two-word, or three-word matches.
Does this upload my text anywhere?
No. The similarity check runs locally in your browser, so your text stays on your device.
What does the highlight show?
The highlighted words and phrases show where both texts share wording after your selected filters are applied.
Part of
Text & Writing Tools
A suite for editing, analysis, cleanup, comparison, and writing support across notes, drafts, and content workflows.