Text Comparer
See a similarity percentage between two texts, plus shared words.
- Similarity
- 0.0%
- Shared words
- 0
- Only in A
- 0
- Only in B
- 0
Quick answer
See a similarity percentage between two texts, plus shared words.
How do I use the Text Comparer?
- 1
Paste the first text.
- 2
Paste the second text.
- 3
See similarity percentage and shared/unique word counts.
What is the Text Comparer?
The Text Comparer gives you a quick similarity score between two texts using the Jaccard index over unique words. It is a rough but useful measure of how much two pieces of text overlap - great for spotting near-duplicates.
Who is the Text Comparer for?
Content teams checking for duplicate copy, editors spotting recycled paragraphs, SEO specialists comparing pages, and students self-checking work against sources.
Why use the Text Comparer?
- Jaccard similarity percentage.
- Shared and unique word counts.
- Optional stop-word filter.
- Instant recalculation.
- Runs offline.
When should I use the Text Comparer?
- Checking two article drafts for overlap.
- Spotting duplicated product descriptions.
- Comparing meta descriptions across pages.
- Detecting rewritten but similar text.
- Self-checking a summary against the original.
Is the Text Comparer safe and private?
Yes. This tool runs entirely inside your browser - your text is never uploaded, stored on our servers or shared with third parties. You can even disconnect from the internet after the page loads and it will keep working. That makes it safe for confidential notes, drafts, private messages and unpublished work.
How do I get the best results from the Text Comparer?
- Filter stop words for a fairer score.
- For character-level differences use Text Diff Checker.
- Similarity is directionless - 100% means identical word sets.
- Very short texts give noisy scores.
Frequently asked questions
How is similarity calculated?
Using the Jaccard index - the number of shared unique words divided by the total unique words across both texts.
Is it case-sensitive?
No - comparison is case-insensitive.
Is stop-word filtering available?
Yes - toggle it to focus on meaningful shared words.
Is my text uploaded?
No - comparison runs locally.
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