Excel XLS Editor

Create and edit Excel XLS spreadsheets. Excel XLS Editor is an extension that allows to create, edit and view any Microsoft Excel document in both XLS and XLSX format. It also handles the standard Open Office format ODS.
The 'Excel XLS Editor' add-on is a dynamic tool for the Firefox browser that enables users to create, edit, and view Microsoft Excel documents in both standard formats (XLS and XLSX). It additionally supports the Open Office format ODS. Notable features include direct link creation, automatic document intercept and open, style management, text search, insert/delete operations, advanced find & replace options, spreadsheet functions, auto save, and export to PDF feature. The add-on is open-source and is also capable of handling files and directories in the cloud.
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Manifest V3
Daily users: 2,318
Rating: 2.85
(13)
Version: 2.15.2 (Last updated: 2024-11-24)
Version code: 5849385
Creation date: 2017-01-18
Weekly download count: 81
Firefox on Android: No
Risk: High risk impact High risk likelihood
Permissions:
  • storage
  • tabs
Host permissions:
  • https://*/*
  • http://*/*
Size: 322.11K
URLs: Website
Full description: See detailed description
Updated: a month ago

User reviews

Pros
  • Allows working with Excel files when it works
  • Can edit XLS files once properly set up
Cons
  • Cannot open local files
  • Constant prompt messages that are annoying
  • Requires disabling AdBlock to function properly
  • Repeated issues with opening files despite installation
Most mentioned
  • Inability to open local files
  • Annoying prompt messages during use
  • Issues with AdBlock interference
  • Overall poor usability and reliability
These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.
User reviews
by 远离中共邪教快退出党团队, 2025-02-13
Cannot Open local files. Terrible app, deleted it after losing invaluable time
by Pet, 2024-11-22
by Firefox user 17581310, 2024-08-25
View all user reviews

Add-on safety

Risk impact

Excel XLS Editor requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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  • Low ******* ****** ** *** ********* ********
Risk likelihood

Excel XLS Editor may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

Risk likelihood analysis details
  • Critical This extension is not longer available in the store
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