Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of File Comparator

File Comparator by Vaibhav

Compare two files (CSV, JSON, or XML) and view differences with Git-style and text-based diff output.

ExperimentalExperimental
0 (0 reviews)0 (0 reviews)
No UsersNo Users
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

About this extension
File Comparator is a lightweight tool that helps you visually and textually compare two files of the same type—CSV, JSON, or XML.

🔍 Key Features:

Supports CSV, JSON, and XML formats

Git-style diff view: highlights added, removed, and unchanged content

Word-level difference highlighting

Text-based diff mode for plain output

Download result as .txt

Sanitized HTML rendering for secure display


🎯 Ideal for developers, testers, analysts, or anyone working with data files who needs a quick and easy way to spot changes.

🔒 Security

Uses DOMPurify to sanitize dynamic HTML for secure rendering


🧩 How to Use:

Click the extension icon.

Upload two files of the same format.

Select the file type.

Choose Git-style diff or plain diff.

Click “Compare” to view results.

(Optional) Download the result as a .txt file.


Browser Compatibility

✔️ Fully compatible with Firefox

🧩 Manifest v3 extension
Rated 0 by 0 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
0
4
0
3
0
2
0
1
0
No reviews yet
More information
Add-on Links
  • Support Email
Version
1.0
Size
22.93 kB
Last updated
3 months ago (14 May 2025)
Related Categories
  • Web Development
  • Download Management
  • Alerts & Updates
Licence
The Unlicence
Version History
  • See all versions
Add to collection
Report this add-on
More extensions by Vaibhav
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike Licence v3.0 or any later version.