1 mirror · Windows · Free
Download Firefox Developer Edition
Pick from 1 verified mirror below. All deliver the same 142.48 MB file under the Freeware license.
- Operating system
- Windows 10/11
- File size
- 142.48 MB
- License
- Freeware
- Filename
- —
Available download mirrors
1 available
About this software
What is Firefox Developer Edition?
Firefox Developer Edition : Pmozilla has long offered alternatives to the stable channel of firefox where they publish test versions of their browser that will later be officially distributed to the public.
Read the full Firefox Developer Edition review and feature list →
Requirements
System requirements
Not Specified
Tips
Download tips
If a mirror is slow or temporarily offline, just pick another from the list above — every mirror serves the identical 142.48 MBfile. Each link launches a brief 5-second redirect page so we can track which mirrors are healthiest.
Verified clean. Every Firefox Developer Edition build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
Firefox Developer Edition specifications
- Category
- General
- Publisher
- Mozilla Foundation
- Last updated
- Apr 22, 2026
- License
- Freeware
- Operating system
- Windows 10/11
- File size
- 142.48 MB
- Mirror count
- 1
- Price
- Free
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