Compare two strings: Levenshtein distance, similarity %.
Free · Runs in your browser · Last updated
Compute Levenshtein edit distance, Damerau distance and Jaccard similarity between two strings. Visualize how close they are as a percentage.
All processing for String Similarity happens locally inside your browser using JavaScript. Your input is never uploaded to a server, logged, or shared with third parties.
Yes. String Similarity is completely free for both personal and commercial projects. There are no usage limits, no sign-up, and no premium tier.
All processing happens locally in your browser using JavaScript. Your input is never uploaded to our servers, logged, or shared with any third party.
Once the page has loaded, the tool runs entirely client-side. You can disconnect from the internet and it will keep working in the same browser tab.
String Similarity works in all modern browsers, including the latest versions of Chrome, Firefox, Safari, Edge, Brave, and Opera, on desktop and mobile.
No. String Similarity runs in any modern web browser with no installation, browser extension, or account required.