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.kn -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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25E2E15BD98DFE163ED0782E00B8F54BDEF8744444BD41F4DA922B2F6EE863FD
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Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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DFCFE7ED63A481186EB4F6AB75451B2E4C04DA32096766D0EBC0B73BF1E02364
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Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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38E44836790197D863858B84F2FC09E104CA7727F93C6B5F82C34EFA3079FC97
|
Download
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Version archive
17 older versions
Version 148.0
＋
| Installer |
Details |
SHA-256 |
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x86
download-installer.cdn.mozilla.net
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nullsoft
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C58D168256055DD1106DD052D492D8725C095BFBD0E7A11CB87FBB0B2D91D362
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Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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26D88F5A3929FD7633BE09EB08B6E70A66C7095A9DB087405181CFD1C1A323B1
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Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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D84A1A95028F4007C39A9B641820B07CBE8D32DC84208333789E7D71E42E5154
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Download
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Version 147.0
＋
| Installer |
Details |
SHA-256 |
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x86
download-installer.cdn.mozilla.net
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nullsoft
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F94B66B6C9F63E5B644F14DF73FF9B8DEA43708C5BB02641118B96E7D7A0E6B7
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Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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E5EB88C192957477E2215064C05C2AEF0F44961F828112F27B1330B6DA24FF20
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Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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938F2F9664F8C8B3301282739C95AC5FBD7F4B219EB9518DCCD3E331E9586375
|
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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36AA84C459EC337A5A786432F123A042662CBA30AADF70B214A908FF1D6A0855
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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8C2063E92FD056DA1FF657FCE1E0131BEED2F009A8FEF4AE653DAAEEC5E58B4B
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Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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93705AD179164D6888DD8E48FA38B21EB004068830A044A157CEFAB55E04536D
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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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BD8B57CA55169459FC58AEF5DFCA1D1A84BF62602254ECB7B565E4E32EF431DF
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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24EE8760FC73A27C0F89F507C5EFEBEC196E17AD7A4FE85FCC238C4B060B404E
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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8CABC0672D235F441B79C87F35C3B5451DEE0DFA2144AD6D410B9C23CB76B14A
|
Download
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Version 143.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
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B954CB4FC0CA8EC5E076FE351206E4E4CCB17BEA76A486C5E20A8FC97A948F23
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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FC786C45859077E79C316B5C0C350A51AEB46BBFD2D233EB729A9F9B6B2B3021
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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FDE4DB6A0F936B749CFB153A4803171AD3240478C53B44E159F784D3847797D8
|
Download
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Version 142.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
F5C54C092AEE058B6770B0B17EAD45C4BD043FCE8E6F5744D82952C769C40957
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
85784F642EC19E844290199AB7F6ACA801B4391C0AEB015A3A8F71008E148E18
|
Download
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
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F6E1B61A886008BCD430D4F5F56AC3882822D91E14073A6FA91FB28FDC54E67A
|
Download
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Version 141.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
|
FBB8BFCE9688E1A08248011BD119D7131DC3CCF9B1C6F35A51E4058EB89D1D4F
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
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B5E1F159352DFE2EF79CA4D96C885872AA26764230226727882E1D7D1F915B7F
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
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3EC9BE860EEE0D60E73CCC01B79B1D2A3535F790531A25F0CC89849165090E2D
|
Download
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Version 140.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
|
9A72C86A282F54901B12F43ECFE34A5F9CA32550F131B05F5AC60B41BC62588E
|
Download
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x64
download-installer.cdn.mozilla.net
|
nullsoft
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35A6A6BDBF1E4A59D3A5F92F2209609956BB5F6FA5F446AE9593094AEAB5C178
|
Download
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
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89061F8D832EC6AAB155FB8133154B99C941F05D164473F157763CCB1B5A664A
|
Download
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Version 139.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
E41ACCB7D2BCB3066F7D86F102532B511B80ED0A2D3D01A73333B1B07A0DC39C
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
0F33C45DBAEE092C1564CFC6B7BB77898B0A1D5E2A28B427CC94384288C07570
|
Download
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
022301B83A0175F6314CE1275A75D44FBAF895CED833EE735C72EDFE6F67162C
|
Download
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Version 138.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
C565FF16EF4A70EDA3FEE70C02F0DDAB80BAE4FE48A81086C3591E0F677F7439
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
7750A59CE0FEF1E7A83ACD0CEF6F4956BECB31C1B4933922A1949605C7E4EAFB
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
3B92DE74FAB4DB48B8636116F209DC2A27E00D216CF6461610A38A695CBD6884
|
Download
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Version 137.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
74005F38BC8B3DD5D8449703F2A422D7C3127474B540D96E570255B502F2A23B
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
97568A85268F4797991F9B8FC009D161EBA97FBBEA16994047D7A990B4C4F151
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
ACE65A3A0E3468495525B1C0F6281D97B7F6BB6C44600857A9F7ED7611DD086E
|
Download
|
Version 136.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
497BA3EB3B5E18FC395C244D8E54F0F396A04DE75B1E5B45745C7613C2FBE6C2
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
838FF952D584D521C4756228B05DD9D28C75668AE6F4360E1889DF7FD48AA252
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
8C8E5280348ED0BEE0BD6E3D4FAB6C4C9569AF18FF2ECDEA3CDAF9A833515E6F
|
Download
|
Version 135.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
5ADC353AD2819FCC1EAC1ED7C314B374099D8C1D53B320BBE3D355B6F5CAA93F
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
4BD598CC9F13E340AAF41A77622F9A87DBC81274C52472B898D00112DDD9E746
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
DED68949207C83E2406DFC9BA3476D6D1342F0BD86A7A4AFC9A29C1D4BEA4389
|
Download
|
Version 134.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
CDBF6EA8E4D978033B67B407E8E31BB706DBDDEAE9088E96CED13312446847B7
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
9548CA124492093CF8F768E8C284C421E276A39D6F4B220648EA40B7F51E11FF
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
0D642FF28AC593DE2465E22189F0BF58CF87CB64D413C686C739372A0F182EDE
|
Download
|
Version 133.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
56958B69057E7FDCF14EAB1137788DF7571A2400449735A54D0A927176FC5B2D
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
569BD18EF127AA80C277870E793A3507E5067555ACAAC900F1FDAFF0279095AA
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
104463A11A90141DA8484B3DCA65EDBCC0955EE6A898B7D1ADC14A9A6F277187
|
Download
|
Version 132.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
760EBBEE0A381A6B2F837DDEBEF14BAE41207AC48354EFD660976C67CBDADBE0
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
DEBF50FAAD1BDCC98311C8BC45DE5BF2B9A4FED7430F3B51465EC1289FEB9FBC
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
5BC6C637147E13BD83237DFADC5C09503FA2B000B17EAA5A3B74CF17DE1C5E11
|
Download
|
Version 146.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
2295C7A4683C04568D11BD56785C375C595D7A5B3A7EE92B01A6201DD1B84717
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
2DFCA261B912D36BE55D6D45172B1AA1BFB5938B4B95BCE7A78F724826B002DA
|
Download
|
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
7F82260BE15B4E8F8735FDF67D464B3B06D1B44F4BD7FBDE090819204C613FCC
|
Download
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