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.br -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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6D8F05D925CF7A8E2E9A49F0CE98147D30FBD15C7B37E99D0A46857D189B0B1B
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Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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B94B4DC0E59D33160D04FA51B2E41B40F3031E0C43C951BF99A1FFC2F0650F36
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Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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3A22325A05242B84369C078DFAB2E013D72A3BE27143D96B4428A0413B30F7A3
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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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495CAD5E6E39A8BDE3241CAB8774EE3BB9B914A9EB0E32810207D0662A6200C2
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Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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7FDCA3B82CC620E8A8C364228992F399FA9948A4BDDB314EB6762D2F03ED9886
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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1601BFA289C8AB34587627F7105266108A96EDEE6E16BE0BC8589670A3070729
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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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EB818A0854748F1BB97E60B0A9405A8135A6E7952F82D7A55C6111453ADAE575
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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929B1B9A04F9E78E3628D96A47B1F432D10A57230FEE268432E609F42836C150
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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4F3CA5B1BF2866309E80285BD22059296978F62784CD7E22FDB2F1ADF19FFF5A
|
Download
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Version 146.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
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CC67367885F3C558BE05F868116E1D27CBB5F3335533F9EBFDD021EDE917E4A9
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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C4AC8069CD8AAFA9A213C925425F670CB6C8197B06ECA6719F6DA022EA505698
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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CD69FD3F05C3B42294B596B55C3DFAAF475DFA64BA3AECEAC76BD19C0E8C1621
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Download
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Version 145.0
＋
| Installer |
Details |
SHA-256 |
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x86
download-installer.cdn.mozilla.net
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nullsoft
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95B112B8D8CDCAB047B813AFFE17D1F9F2B423157CC44AE537443CC55E8F23FD
|
Download
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x64
download-installer.cdn.mozilla.net
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nullsoft
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D10ECCE11B636D813BCF6E257728103483C349BCAC7239986BB5B57E0B2AB5C9
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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F5814E708A5647F4EDBF696331AFF268AFDD0C19C56B345C21DB1278A4689B50
|
Download
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Version 144.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
3DCA1EE97ECE7C2B11B145128B7399D4ABCAA3D84D9FF298F09D3E6E67DB02E4
|
Download
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|
x64
download-installer.cdn.mozilla.net
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nullsoft
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4C735B715967563F9224E09C904CB3E630B4B7F39A08CBFCDC5DA7C8F0ADB8FF
|
Download
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arm64
download-installer.cdn.mozilla.net
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nullsoft
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74EAC4EDF0CBB83F05D95CEFED4A61B182B51EC0C48186E357054D5A74AC02E0
|
Download
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Version 143.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
|
4E9AD485F7EF5357CC65952E0EE2EA1C8545CCAD43DDA55E2E1EF255B4D84320
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
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D444EEBBE54E1DD1E5CF06A140486852D77DB1DA8985D186A053D293BBB1AE27
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
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1A46DB058E356E8EC9B68C86C5D947BD1219FBFBF4965433FF76C104FDE88E4E
|
Download
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Version 142.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
86B52FC9E88392D63CFC2C846BEC7280C8F48AD4DF5AC3FF598257EC844FE716
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
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48C862733D3C92C006F49920E3758A101C0AB7B95774C32B8E6FC45CCEFF4CAC
|
Download
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
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F708A320E56AC36C914AC834387B53000177A263B9568F854399F03E58E35D37
|
Download
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Version 141.0
＋
| Installer |
Details |
SHA-256 |
Download |
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x86
download-installer.cdn.mozilla.net
|
nullsoft
|
5E474B3CF5B9E53BBDE7B65355C5CE491B91635C85BBB5E909196494D044BD05
|
Download
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x64
download-installer.cdn.mozilla.net
|
nullsoft
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AA68912964ED326ED95910915B4CC077B618CCE1449B5837602FC7BF3E2037EE
|
Download
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arm64
download-installer.cdn.mozilla.net
|
nullsoft
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5DE7FD631E4FEFCA21E57FAE1D1B0C2B2C6FF2015643673DA4B8BFA863DE2B2F
|
Download
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Version 140.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
29B1D53FDCECA7A0569041563E8C5915F316CADD668CB51F740814F25CB3D248
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
C6FCDAF0067D8ABDFF0FEDBFA15AAB0F579AF6773A9EE6CDAD20181C6B33C531
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
2B465008084087C5F628FCF18AD46AF3498420124814C8CE0A8BB76E5E8AE8DE
|
Download
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Version 139.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
571EBBBE70B33087690942833EFB8498DB539B93187F131521B77D3BB212D344
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
038BA50C61F23EE35237B3F948A2400E62FD12D9689393EA629DFDB785D717E3
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
30664A80F4BF0F1771483232B70679262711F407A66A92C216BF1F3CE5A3558E
|
Download
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Version 138.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
EF637921BFB4B1A6005B9E67B8AA7B137722BB53BD685CA22D8F9E8E69392307
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
46807799289F82B45510FD4955D88BE8E4E65AE485D3AF89DDB0CB8A65502376
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
67CB1DBD87CFCFA5E593202101266B6652B13FA1A6A623087989818F80EC6E32
|
Download
|
Version 137.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
4A9B1A283BE2870A62396C1EB21182AD053557FA04A1638F4445E59139943D2C
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
3BEBA2D4C639F5711AFCC61F1BD27A360E3B030AF591A739910791C684790EFE
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
A7F1834AD0CBB84EA5CD232057821FD5FEA7A98D9C36F80B52C67F06E098116A
|
Download
|
Version 136.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
BBAD706D85B4A0D75B48DA670AB073833D81A31596AE064D40B07DF1331BAD40
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
EF0D4FA82291828730D89DEACC4D3BE86A4995EE539085B7464ACB80FFA71F2D
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
6EB9177ED6286708F9F1FD369CF7021A5055992902D5E53DD266CEB3CC820928
|
Download
|
Version 135.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
CA74E561DDFF3D03543CC8DC6237AC6AD88D4E5525964731D1E5A94D570B2CDB
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
71BD5EDC0855981A8EC06122F6830F6BECE4297BEC50C671253DDDDB2CFBE95A
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
F248B62BB7DEC9E49E327D0732CA17AE1AB7300744E45BA3797780D370ED0A90
|
Download
|
Version 134.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
57320A3A5440E2A612E3BE07781E1516DC21E6337321EB3326CE94B8FFACE230
|
Download
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|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
5EFDEFFFA78F638DA0B45744C010FDB77AAF0372982D1DCCCEBE93AA47AC3CB1
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
F79CB4B03E33CDC516A0A4EF1B56788F36E121B1C795D5701BCA7027190B850B
|
Download
|
Version 133.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
4DCBB277C5399DF6602BB41434CCC82D2B884AAB65DF2B407BCEE577CA1503C7
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
DAD74344B2A051367CC7FFD3278CCFD1C0A2E3FDB79D0C9B5AB5B2FD70CF3FEA
|
Download
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|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
F10BA95641C806C1EB4F502C3FCDCA23F4D3163B9313A3E4E1C2EEFF9E7E86B1
|
Download
|
Version 132.0
＋
| Installer |
Details |
SHA-256 |
Download |
|
x86
download-installer.cdn.mozilla.net
|
nullsoft
|
0AEC8C95D416E48B664E351EF1EA70CF27E3DE7B1FE6C4309AB7EFAC95507644
|
Download
|
|
x64
download-installer.cdn.mozilla.net
|
nullsoft
|
15EB480CE2B1E02B63939849CFAEA62D70427D54CE7465BF58FBD3EC5CC52AEA
|
Download
|
|
arm64
download-installer.cdn.mozilla.net
|
nullsoft
|
C93210E82B84690B09E6D9CCF80745E722AFE6AB012DE7B75E12F61E18760897
|
Download
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