About this app
Get the latest features, fast performance, and the development tools you need to build for the open web using Firefox Browser Developer Edition.
Install with Winget
Command line
PS> winget install --id Mozilla.Firefox.DeveloperEdition.en-GB -e
Official manifest sources
Downloads for version 149.0
External links ↗
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
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nullsoft
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4C1E19636230A423218EE88F183CEF4978FCB0E8ED66E5A1C044B9701E946D1D
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Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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D9FBF16DFDFAE9335F1DB1FCE9E2DA5E58CBDD171D48716F65722460010447B0
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Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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14B8F46AB4119271E1E6521E06CBC98F20DD4DCB72F6D3CE19B69F104B1999A1
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Download
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Version archive
17 older versions
Version 148.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
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nullsoft
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B3B6016355FDAFEDE402BB91498B05D57521B1215AFA97A421575F696F43CD70
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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77A0F07073614016DD5B74D1B28F8ACA676944EEE3143211BBAF1DFA84900B73
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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5AFD0CB59DC6F533B9C57BA44C26C598DDFE259408583DCCA5CEEDDCC9AE35A1
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Download
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Version 147.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
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nullsoft
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FE316B40F99715ABAA22DC8987C162DA86A8AFEE8AC7DC3E5D63777214024354
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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CB49C4BE3CB4C5935641BEB99E0B735A8680C2EA6F49A9384D040425D4DC9416
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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66F6456DCBACBB2CB98943ECF5ED16355A341BF19A64B411924C7653B702D956
|
Download
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Version 145.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
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3E18951DDA00AD337036AFDB0EDB307428A7F37B99D6C749FD31676788BDFBEE
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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658B947A449AFAF06094599FFA352D85A3F5BF713208DF07CC34BE1C42E0F505
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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B79FC0ACBB62000260AB697FAC6A358815D06DEDFEA5898DDB1CC8395792975E
|
Download
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Version 144.0
＋
| Installer |
Details |
SHA-256 |
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x86
download-installer.cdn.mozilla.net
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nullsoft
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9A7E02C3F58C11EE7B7F1C01C1FF5F5916C7CD92A04EE6688A830453EB4561A0
|
Download
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x64
download-installer.cdn.mozilla.net
|
nullsoft
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501B59A64FB4B10810E603CA84DA1659337B864BD4EE17167EAB84F9385A8D74
|
Download
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
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8FF45EE80B53A100B6B8EE993A39BDD70D04C7AE71C9E61EB1C0862EE2ED57D9
|
Download
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Version 143.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
|
37463BF8E37B6D2BE6193C94386C8DA4D8D1C2A91FAB0B9D965E5662EEFEE519
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
A3717A79A7A541AE46ADE0039F5AB0D5001E8E7592F7AA30BD47C7C6F5BF3AFC
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
02A64BECFE7E33526A54333B1BEC6CDFF139F3BC5AFEB644BF2CB221FBF3E5A1
|
Download
|
Version 142.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
D4DE6A0CDA914EAA93ED171E1C52011180438AD8F741F5B1F2F304DCE940F30D
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
8491B326A773453C9089DB06537EC8D6A8A1BC596775F5216D922DEFEF5F33FD
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
F0F458057F5968AC032F8F8339762FFBD5CEFF1FE11CD7F41B688F8F58F7A4E7
|
Download
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Version 141.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
C2B7012D8AF07A9A29F59EBA4C7AFA09788B210E438E76EE8CE88B8EBA1FD254
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
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342B2A11587FA491A9F4618115478FD4D688B4CF31E3AA8D91F13E4B2646207E
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
E22AAFC0AF03D18F769AC783F1C45D2C0078C9C7AA203D6DC958D5F14D5BF7E4
|
Download
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Version 140.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
|
42FAE4DCC3027FF062AC9345797F7416268C4F90F92B948ABFAEF10E59FE1F06
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
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35CB5C124D8DEA50CED0F24837F0FC80C66D4035133B930CC6A253213D90F4B2
|
Download
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
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654BDB41313ED04E2682948728ABF26CA7D7022F897FE8D4607F60796DD271CB
|
Download
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Version 139.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
2183301651E864A691E11387BFB4A8BC43F32F94DFC8313B01355F7CC2B96D4B
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
E0CC5CB6BDAAE082F8341904C6DEC7C9DBA0CCB278A5F128CFA5A5C9377C4ADD
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
37DB77DF38C7A8314C50B6F96D5481EEA98C5E7931D1EC12A034522775EB8040
|
Download
|
Version 138.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
008C44CF049E1254BE34D581B9611D63F77F4140451464A58C5A4AB6A53AA48C
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
D523E9D8F7A4009A897DF58CE95854045EDB790038B7C22AC5C6693DC59055DC
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
F98641544A14ECBD42253BCDA123E08C6912A2166D0D1CAAA06B02201DFF5A52
|
Download
|
Version 137.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
65E7AE626721E0C3CB2507DA8DF35EE92104CD9012327E3E7C976FBA7240C134
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
CFCAA34F2702BA7D339C884142A9A685A7969CC150B68B89805911E30652E81A
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
A0FB73A9575559DBB727C48FCBA402906BAD4FBABFBC651EE25DF6C40529773E
|
Download
|
Version 136.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
83491F3D47D44D33E10594C8F7A8A17E45E733A6AEF215DDC5A99CED41B068FB
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
F09A278FE31BBA373363E343651512D3DDE73E504708B1EEB7C655FC71A7CDA7
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
9EDB936BE4A27E0A6C4E8FC9D019B9E15AD07652E0026925B00EE82032886797
|
Download
|
Version 135.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
7DA1A9392C95D21D441D7F063F376D507606ECEE02C0F15C2A80D5F65A0D8DA8
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
850557EB529F7AB08E31465253BEE7E080ECAED0E2348E31E04E37BE49F5CAA0
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
64C4C2136E703917FACE7856463C4779DA63618D6A6C1CAB26F24C6E9A528C23
|
Download
|
Version 134.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
007F5672A1C7F17C51869D076EAB431D8DAE5E0F8A394F1B010B1E394C91E1A2
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
9DAAE788449BE42AD38CBC8C8E8E9F2243545BC38E454A37BF18214481FC0893
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
71486341314DAB2907DD8E757D8B6B592CC9B2774E100CF88A1A2F8363B42167
|
Download
|
Version 133.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
F43580FE85D68408242DB206F5E529C1C19E6CA38A6D3580075C83212A632ED8
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
171E12D2D10FFF1F0E1D549C217B136E601B8FDD1508E7862AF3673EFC731550
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
FCBBA16F730C46B0CECA9990FB6D1FBCD7F2E951E35B92D296659846D673B4FF
|
Download
|
Version 132.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
5B6B608053334AF6EEBE6FD9027052BE8F385B9D8F00AB64A75969EB43F84F0F
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
065F3F89AE84D0688B338A622549CF9DC8A66938BB219060A94605C2D9621561
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
B969E18E030AC6D7AE3AEEE99843BF5FF7C7B3C64FB6F9039F18C1F11007AB7A
|
Download
|
Version 146.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
98F67EE2A99628985D716DE74588E62F40250E853B028EA5B58613C3972B2BCC
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
0718EB9684B3509E9F3A209FC90167AC8BB26AB9F257BADC43EA0DFFF45238C5
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
4E5B984E1485234E8B53E330058E16C62ED3E3490C9F70AE1BCEA6545CCABBE6
|
Download
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