Dewey Firefox

Download Dewey

By: Dewey
Download Dewey (current and past versions) for Firefox
Latest Version: 5.8.7 Updated: a month ago

Ready to install?

Dewey is available to install from Firefox Add-ons Store and for download from this page.
View source code
241
Daily users
3.2
5 ratings
0
Total downloads

Available versions

You can find the current and older versions of Dewey here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
5.8.7XPI · ZIP · Source code3.67MB02026-05-27
5.8.6XPI · ZIP · Source code3.67MB02026-05-16
5.8.5XPI · ZIP · Source code3.67MB02026-04-06
5.8.4Paid users only3.67MB02026-03-22
5.8.2Paid users only3.64MB02026-03-04
5.8.1Paid users only3.64MB02026-02-24
5.8.0Paid users only3.64MB02026-02-13
5.7.9Paid users only3.64MB02026-02-09
5.7.8Paid users only3.63MB02026-01-30
5.7.7Paid users only3.63MB02025-12-25
5.7.6Paid users only3.62MB02025-12-22
5.7.5Paid users only3.61MB02025-12-03
5.7.4Paid users only3.60MB02025-11-24
5.7.3Paid users only3.58MB02025-11-21
5.7.0Paid users only3.56MB02025-08-16
5.6.9Paid users only3.56MB02025-08-10
5.6.8Paid users only3.56MB02025-07-14
5.6.7Paid users only3.55MB02025-06-30
5.6.6Paid users only3.55MB02025-06-13
5.6.5Paid users only3.55MB02025-06-09
5.6.4Paid users only3.55MB02025-05-31
5.6.3Paid users only3.55MB02025-05-29
5.6.2Paid users only3.55MB02025-05-28
5.6.1Paid users only3.55MB02025-05-23
5.6.0Paid users only3.55MB02025-05-22
5.5.9Paid users only3.55MB02025-05-17
5.5.8Paid users only3.51MB02025-05-07
5.5.7Paid users only3.63MB02025-05-06
5.8.7 3.67MB
2026-05-27 · 0 downloads
XPI ZIP Source code
5.8.6 3.67MB
2026-05-16 · 0 downloads
XPI ZIP Source code
5.8.5 3.67MB
2026-04-06 · 0 downloads
XPI ZIP Source code
5.8.4 3.67MB
2026-03-22 · 0 downloads
Paid users only
5.8.2 3.64MB
2026-03-04 · 0 downloads
Paid users only
5.8.1 3.64MB
2026-02-24 · 0 downloads
Paid users only
5.8.0 3.64MB
2026-02-13 · 0 downloads
Paid users only
5.7.9 3.64MB
2026-02-09 · 0 downloads
Paid users only
5.7.8 3.63MB
2026-01-30 · 0 downloads
Paid users only
5.7.7 3.63MB
2025-12-25 · 0 downloads
Paid users only
5.7.6 3.62MB
2025-12-22 · 0 downloads
Paid users only
5.7.5 3.61MB
2025-12-03 · 0 downloads
Paid users only
5.7.4 3.60MB
2025-11-24 · 0 downloads
Paid users only
5.7.3 3.58MB
2025-11-21 · 0 downloads
Paid users only
5.7.0 3.56MB
2025-08-16 · 0 downloads
Paid users only
5.6.9 3.56MB
2025-08-10 · 0 downloads
Paid users only
5.6.8 3.56MB
2025-07-14 · 0 downloads
Paid users only
5.6.7 3.55MB
2025-06-30 · 0 downloads
Paid users only
5.6.6 3.55MB
2025-06-13 · 0 downloads
Paid users only
5.6.5 3.55MB
2025-06-09 · 0 downloads
Paid users only
5.6.4 3.55MB
2025-05-31 · 0 downloads
Paid users only
5.6.3 3.55MB
2025-05-29 · 0 downloads
Paid users only
5.6.2 3.55MB
2025-05-28 · 0 downloads
Paid users only
5.6.1 3.55MB
2025-05-23 · 0 downloads
Paid users only
5.6.0 3.55MB
2025-05-22 · 0 downloads
Paid users only
5.5.9 3.55MB
2025-05-17 · 0 downloads
Paid users only
5.5.8 3.51MB
2025-05-07 · 0 downloads
Paid users only
5.5.7 3.63MB
2025-05-06 · 0 downloads
Paid users only

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
  • Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  • Download the Dewey ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the Dewey ZIP file from step 1. Dewey is now installed on your browser.

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