OnlineTextCompare

Online Text Compare compares two pasted text files and displays their differences in the browser.

onlinetextcompare.com
OnlineTextCompare homepage screenshot

About OnlineTextCompare

Online Text Compare is a free web tool that compares two blocks of text and highlights the differences between them in the browser. Users paste the contents of each text into the two input fields. The tool uses red and green arrows to mark modifications, which allows changes to be reviewed and merged from one text into the other. The homepage also includes a wrap text option.

According to the site's privacy statement, all comparisons run locally in the browser using JavaScript, with no server-side processing. The terms state that no account is needed and that the tools have no usage limits. The site offers no warranty or guarantee, and it states that it is not liable for actions taken using its tools.

Key features

  • Compares two pasted text inputs and highlights the differences between them
  • Uses red and green arrows to mark modifications for merging
  • Two-way diff and merge for reviewing changes between texts
  • Optional wrap text setting for the comparison view
  • Comparisons run locally in the browser using JavaScript
Best for: Developers, writers, and editors who need to review and merge changes between two versions of a text.
Good for
  • Free to use, with no account or installation required, according to the site
  • Comparisons run locally in the browser, according to the site's privacy statement
  • The terms state there are no usage limits
Watch out for
  • The site provides no warranty or guarantee and disclaims liability for actions taken using its tools
  • Listed as a web-only platform
  • The homepage describes pasting text into the inputs and does not describe file upload

OnlineTextCompare at a glance

Type
Online tool
Pricing
Free
Platforms
Web
Open source
Not stated
Language
English
Good for
Developers
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

OnlineTextCompare alternatives

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TextCleanr

textcleanr.com

TextCleanr cleans pasted text by removing spaces, line breaks, HTML, and Word formatting, with other text operations available.

Array Cat

github.com/Great-Software-Company/array_cat

ArrayCat converts strings and lists between formats such as comma-separated values, programming-language arrays, and SQL queries.

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OnlineTextCompare FAQ

Does it require an account?
No. The terms state that users do not need an account to use the tools.
Where is the text processed?
According to the privacy statement, all comparisons are done locally within the browser using JavaScript, and no server-side processing is involved.
Are there usage limits?
The terms state that there are no usage limits and that the tools are free of charge.
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