Sunday, 12 April 2026 @ 11:13 UTC ~10 12,244 130,130

Mozilla Firefox (ja)

Mozilla · Mozilla.Firefox.ja

Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.

Firefox Browser, also known as Mozilla Firefox or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. In 2017, Firefox began incorporating new technology under the code name Quantum to promote parallelism and a more intuitive user interface. Firefox is officially available for Windows 7 or newer, macOS, and Linux. Its unofficial ports are available for various Unix and Unix-like operating systems including FreeBSD, OpenBSD, NetBSD, illumos, and Solaris Unix.

winget install --id Mozilla.Firefox.ja --exact --source winget

Latest 149.0.2

Release Notes

Version 149.0.2, first offered to Release channel users on April 7, 2026

Fixed

  • Various security fixes.
  • Fixed an issue where certain parts of web pages, such as drop-down menus and specific styles, did not appear correctly when printing. (Bug 2026109)
  • Fixed an issue where some website error pages displayed generic connection messages instead of the specific error code and description provided by the server. (Bug 2023800)
  • Fixed a crash that occurred when using certain security keys or WebAuthn features for two-factor authentication. (Bug 2026688)
  • Fixed an issue on Linux where the browser toolbar could become unresponsive to mouse clicks after dragging a tab when using Wayland. (Bug 2022238)
  • Fixed a layout issue where text inside certain graphics (SVG) appeared shifted or misaligned from its intended position. (Bug 2024647)
  • Fixed an issue where the "Send to device" option failed to work when used from the Open Tabs section in Firefox View. (Bug 2023201)

Enterprise

  • Introduced a new enterprise policy that allows administrators to directly manage and control AI-related features within Firefox. (Bug 2019983)
  • Fixed an issue where enterprise policies for the browser homepage and start page were not being applied correctly. (Bug 2027888)
  • Introduced a new enterprise policy that allows administrators to prevent the built-in VPN and IP protection features from being available to users. (Bug 2022365)
  • Reference link to 149.0 release notes.

Installer type: nullsoft

Architecture Scope Download SHA256
x86 — Download 5B52F2F6241D99B536D5AEB5FB0680E873FB83EC8ED215D494F275047F54BF81
x64 — Download A15B3CDA9C76C6C7985D5E91958E69A10C142E698CC889E3402129AC9CA914AD
arm64 — Download 3490C14414EE510C2DDB6064B284E3F743F7A728C68B3C6363FD8EFBE8E11D70

Details

Homepage
https://www.mozilla.org/firefox/
License
MPL-2.0
Publisher
Mozilla
Support
https://support.mozilla.org/
Privacy Policy
https://www.mozilla.org/privacy/firefox/
Copyright
© Firefox and Mozilla Developers; available under the MPL 2 license.
Moniker
firefox

Tags

browsergeckointernetquantumspidermonkeywebweb-browserwebpage

Older versions (36)

149.0
Architecture Scope Download SHA256
x86 — Download 36576AE06EF76266967AC1E6EC412735372019B394D7DD6CDFBB436C18A470A3
x64 — Download B58FC215128FA9449F1719D9BD09E28A50B76E65504435D3AED100B9E516A5EF
arm64 — Download 8D841101BF300B3409F4578F199D6DD43A7C70290029A0E93A7E891F2BFCF89A
148.0.2
Architecture Scope Download SHA256
x86 — Download F4A5BED2F1E6D73CCCD8FE938BA683296CBEE81F5A76B070CE2A9ED3E0B4E164
x64 — Download 1094E3AEE8C3F71B68329CC149D20B565CDE8184A2C12137B1B5324DEDBEC64E
arm64 — Download 1C3A0BD779E15C06A9386D09D135BB018FAAC977EC9F21F154C30E951E5DC027
148.0
Architecture Scope Download SHA256
x86 — Download 50062F52ECD844FBBD5946E6F0896BEE22CA96B131C6DF922885C946F69339DE
x64 — Download 958B11D904A13A4F01306E8A4F187CB599FC822F83F0BA693232DDAC3BF4638A
arm64 — Download E33ECDF66914E260443255167F1C9C1ACB2CB87EC1018430B53FDC6934581AEA
147.0.4
Architecture Scope Download SHA256
x86 — Download 87001413A1F16EBCA4A65D0C9093B3696269DEF9C81185281CED142A5A059F65
x64 — Download 1719F7C2E49D0B5DA0D473B5446A07030C3FBE3821E605348D10A8187AF72189
arm64 — Download 8E51347FBDD22577CDDDDA098230A6985B5875BBDEB96ABDEFDE87DC569262CE
147.0.3
Architecture Scope Download SHA256
x86 — Download CBE2BC7166015083102F226819E577382EA2891F48B77811D9F8B5F01078B994
x64 — Download 8010D0CABE48DE81C5049170EBBB8455270A2D36BAF63A312D94E16968C118F1
arm64 — Download 9572C9D97A335CF355C3FD1612C95147B6D2510CF9B3125F75F3B9D3C9E0869C
147.0.2
Architecture Scope Download SHA256
x86 — Download BF56256D0E9CA0F0D60EDD74B8E75C141395BFAC0808621EBFF119A78E85CE0E
x64 — Download 661E9ECEBC9CD6A9D374EC893DC950621C3ABA84437D1033C2F04775EAAF4DFA
arm64 — Download 6A3174C563770F851CC102926B4CABB76EB7EA4D31D5DEEC3D6659FE1BABB87C
147.0.1
Architecture Scope Download SHA256
x86 — Download 264DAB8D799E662AAB0F4A375CF24524BEA024F54DDF4A02F3738A54E8716583
x64 — Download F9D354875C0EF8A7CC9CCCFC12A0B064ECF7731486372A09EED27235BFF52ACB
arm64 — Download 6AB28F8F15A583D9A7FAD0667C302799C4FB2BFC1B976DCDB1E65C289D9B0125
147.0
Architecture Scope Download SHA256
x86 — Download 7974A0C07AB6D785D8A46EC365980FEE9A2189A1CE4AB956FA00FD84B1D45D2B
x64 — Download 19546E9B80AC91AE55C60689AD1C36EE6DA9E5AB424D59F072D2BFC0DD61B965
arm64 — Download 8792A54CA3C4CB276A516535AB8D7F10DE94A0AEB49733B9CF9FF8466CA6B5F9
146.0.1
Architecture Scope Download SHA256
x86 — Download DCC8511FBC15F847F00641ED5A7DAE713F4D6BE4FAAFB56A96871E11CE7E609E
x64 — Download 2D775A82FDD1CA705EE2A7915B9B1DAE2F3354ABD6BB20AB2EF4F6CA4F32C751
arm64 — Download 7F1E8F0B796F335ECEC1C90C9FC1EC337322394EC718C1EDC0DA6EA454016D82
146.0
Architecture Scope Download SHA256
x86 — Download 408A9EC8A73C890A3FA702D9D92060CB4BD149E997A9957B63E59310E2D64F80
x64 — Download 3572EF48130ADDF8939142AAE99543142464956610EBA46EEE576F6B51A1958C
arm64 — Download F6BAFDD1326464030E5B31837021842949F20A696AB97DB8C3FE67022962DE9B
145.0.2
Architecture Scope Download SHA256
x86 — Download AF064440B901DF3689EBF9CCD3E43FF11CAE4B4BB5A4114A38C3B5A67DCD3946
x64 — Download E7BFCDFACC71CED0FDD48AA2E10CDD37BEB0DD7763DFB397699CDCC5470684E7
arm64 — Download BD5FFA78A962715D82DBF1801705863FDCAD7495CB0E33E099F6F9444BD9943A
145.0.1
Architecture Scope Download SHA256
x86 — Download 9B0F98668851310579848C43E1E3FCDD25C9479C7A4C7AD944F1CE2B6A1865FA
x64 — Download 3840A5224AB259C35A3797E4881BEE2C87F6A7504BA3876BF3566B2260D74B82
arm64 — Download 1C45802904779553E294F35D32C08C0EBE2D15729D879B8642CED54EDB7345AB
145.0
Architecture Scope Download SHA256
x86 — Download 253682CFBF7C943E24D49C39D91E4C13037A7616F63AD46E58DE7D96A4C47832
x64 — Download F3D3E8BAD49C198B233007D028DCC51C855105594703729BE5C60A11FC7202E2
arm64 — Download CB06A77799D9B945E1433CFC1B93CC0C47C0C48529E3DFC55090CEBAC377CB35
144.0.2
Architecture Scope Download SHA256
x86 — Download FA2F5D41C2D8BFBAE85F1916C5C5D305B1DF3396DEE6A7DC0F7B6EB1039D4C9C
x64 — Download 013488FD0D61D26ED5DD7B5837DDC3CBFADB4B49301AAA175DEFE2B9AC3767E8
arm64 — Download BE7F163F69748DC5D8DA9F0300A981E406CC029E2BF54454E5791EFD3678F875
144.0
Architecture Scope Download SHA256
x86 — Download E462B89EFA8A6FA98A0D5E34D601A3CBB95D3E71227C5DD05EE594917EBA742D
x64 — Download CF8F174D26E1ABE4FF8A70DE88963A296AB0816CFE4515DF26891B0643F2F605
arm64 — Download 11AFF34CC2A67FF4EE0CDD9E6432B9441E220B4346FBFCA2CA875FDE3F0ED590
143.0.4
Architecture Scope Download SHA256
x86 — Download 1B8A77A5B5310382EF0F4711E28A0C6CA0D79A40C49C3272731D4F98BC1BE7EB
x64 — Download EE5F05B9F171FFA320FE9A37A76AE5BCB60F027DA3FD8DAF251BE2C02D7AAA07
arm64 — Download EC5EF0ECF2906DA4E2306624C12B62B5161EA688ADEE3B671635687CE3F0022F
143.0.3
Architecture Scope Download SHA256
x86 — Download A6475E0079497BD5050CDAA385DB928B0B4D9E74AD94384580F31133B7529D08
x64 — Download C6DDF220796422E00AC3791894F17673DA7D7D56B21F54170DD4D232755D4562
arm64 — Download F1400B2F5FE8DCD5608CCCF0BD761D3E201B44D200B788DD36323DDEB094343D
143.0.1
Architecture Scope Download SHA256
x86 — Download 98E91B4ACF5E8882335FF81DAE6EA73CD064D530A525ABD7E6BE9F73B593A60A
x64 — Download D89CD22CE01D3EF3E2902DA9EA51964AC43C4FC3077C9976EF8CB3EDF9AF7F89
arm64 — Download 6FE26B8CB7018F55ADB9AC876B59BC192550196B45ECFD8288203578D83F13AD
143.0
Architecture Scope Download SHA256
x86 — Download 408076F142CFA14663260D7D4DAFD68EE34222C685EC7DAFCC1353A7DA489B67
x64 — Download 858539844CF0067B684C48F28D2FF39710DDBE48E9EDE89B9533534030DD6ACC
arm64 — Download 6DCA3E0FE8BF30CE182E235B4371E18F455BBB0C515DD9E0F3B495647482EE0D
142.0.1
Architecture Scope Download SHA256
x86 — Download 41D9E00DCEB44B2A9549A7B4F32393B17E8F1A74EA1C5E15A87F0A6266A917D9
x64 — Download 8AA314690208A5488AE5D6B19A4F4FC3ECEB361343DF4F8FBE92C520567D8F66
arm64 — Download A13B5A6FA934E379B70053177730B0B42519E6923E0D34D306021D847494E47D
142.0
Architecture Scope Download SHA256
x86 — Download 5862F9DCCF70C6FC2EFB1F6AD881F9F6230C0AA136339262E94BDE8B5A335A38
x64 — Download 2E9D5867A6EA7104E0267BA46BDC952E5B6187752C017565B44687201AD2AA48
arm64 — Download 17E8C6E0554810A6E6AA20496FC330CDEC537D2FEBD5A0EC62451F881A19F1B4
141.0.3
Architecture Scope Download SHA256
x86 — Download DE43DFA168DD3B3DD55AF7FFA2005F8EC63EEB9F0B07D6A1BC27A04A838BAD17
x64 — Download 3969EE5AC4ED679E7D71CC0F9A62E236E7A9451AF438FFBEAA7EB291AC2ADFEF
arm64 — Download 24FD92091B2C01988B79CDF33463303729FEE03FE4855E957D3C610922BB16D2
141.0.2
Architecture Scope Download SHA256
x86 — Download 9BFFF6A2A3663B319B76691DFCA4E149F598502E9A49F47168193D0B6DA9A1D5
x64 — Download F4C8405E3F9CD813EAD090768AB372B062CCB987DD1867AAF3E1655FC844F2C7
arm64 — Download CF88615DB37488DC236EF867FC5D4DA4FC0DECAADCF307C930F99EEC2F843863
141.0
Architecture Scope Download SHA256
x86 — Download 4A65FDB6842544C0DEB1A91235D979E94E48A54EC5636103E4E9080582BA9E93
x64 — Download 40866118BA6340E7BF27294FC6F5AD2D08E874127FA8D309ADFAD69D5499297F
arm64 — Download 030408CD09B5F8B94595700E49AB9DEEF9884FC8B47E6D0727D447191CB0D408
140.0.4
Architecture Scope Download SHA256
x86 — Download ED115289C236267888ED4F2176951C38C1B2995EAFF102964F8D38B201515CFF
x64 — Download 5A918FF518318E2BB60CE0E28619EB1B1F0449F9BEB476223FA8F90EBAB4DD60
arm64 — Download C0B66A65C86B7418CE78387B867D6BECC56EF1FED3EAC9D21050A3A9FD13C5CC
140.0.2
Architecture Scope Download SHA256
x86 — Download D3D4880D6F54139F30DB082DAF60741A8B4297C78EAC7DDB6AF00257B5315BFC
x64 — Download 9CCD2576657E55A68AD064B12D14EEBE8FE3D43AB9DA819CD2A4E95EF1BC8A63
arm64 — Download E518E6C2B39088AC40C4CB7F62F1231775AB7A040648E0D2663A755E8C2D17EB
140.0.1
Architecture Scope Download SHA256
x86 — Download 2FBF5FEEA3E04CA730AAB0A79A1C55F47D3EE6ECA661DAB2FC780D0B1E3A7ED8
x64 — Download 0E353C1C33FA4F8898F1ECECDC5D464D439237DAF322E30C1F28637238B16B1E
arm64 — Download EBC7B787933CF1B5CDA3D8D38C4F0A3067DFC6157514065289BCD38ADCEE0CE9
140.0
Architecture Scope Download SHA256
x86 — Download 25ADC1F28F8A7442B37AA0CBCF82AA5967FA052CF2D489F24493FF174A01019A
x64 — Download A5BB23EFD4DB7739E032677DA66F2CBBAB12928E8003467FBA0455E153253B3A
arm64 — Download E1DFB138F0E91C6A5324A058FD2E80C47A9FEC03446F88C2E39CE5B0084DFE88
139.0.4
Architecture Scope Download SHA256
x86 — Download 29256CEC2C2E658A968CE907A03E79E4751CC98958EF25347AD0E6A96035FFCA
x64 — Download 5D4B2C10094D47568F5A47B699DCB166E118DDD46EE830F3041339D730011C08
arm64 — Download 88FD1A4107F3067126551EA3B25ED9BE8118DE45C3385F1EF754D115BCC288A4
139.0.1
Architecture Scope Download SHA256
x86 — Download B5D01CE14408E754AEAB1700280C57F01D106C1280E1F2DDC8ACE2C7D2BCF4D2
x64 — Download 8DC50B8C9CAE49442B7CA175A62E71796B40B44660D697A76B2AA6E2FBB2BB0C
arm64 — Download AB1347FF47AD421937216CD429AE2BDA07D5591EE08928154C40AEC15CB40047
139.0
Architecture Scope Download SHA256
x86 — Download F28853347BBFC194C0C2186EC10686F76C143B966DD03163E7A48B5262A89C26
x64 — Download 2C0BADDB89020C1AD15E316877E1BE63584A15A9C285F884C67907E269A63F17
arm64 — Download A85C6EC8C8C9B1AFD803379861EC30ECB9926A4A9B27141DA3487D3219CB46AA
138.0.4
Architecture Scope Download SHA256
x86 — Download C2CA134B3674B6BB85B017B496248A48BC8AD275CBD9CEB418C49D6E1294C54B
x64 — Download C0E6BB70D199009D9EF54EAF67666B4D69C800E1739E61D6497DC7D5DED86376
arm64 — Download FC01A1FA49BAE71230F23C601CE63438223BE6F12FE0A5A26FA940B6556C8781
138.0.3
Architecture Scope Download SHA256
x86 — Download 9E1DCF3EA2F44876A63207A8BAAC66E77B4038A5CC2D7B5537E1959B723F3448
x64 — Download D4DF97C2C44D009963DD2789CA65C11D9DE3044677BB8051F27B4A2C806BD7C7
arm64 — Download 18D831D0C3A4AA515FD3644B5BBD266A933F3E526512B7BD251E4E1135C43193
138.0.1
Architecture Scope Download SHA256
x86 — Download 18644B28A079E62F5D6C05AA2ACC92993244E1FE27B729E339114C4BD0A618A5
x64 — Download 7CC0C2EDD852C45535608E58D0F86460A25AACF87565BF8CC00DDA6E66C1F7CC
arm64 — Download 9C108D408554D79BB4BC3BE8CC5670949999C79F02E7AB25DE7D8452216D75CE
138.0
Architecture Scope Download SHA256
x86 — Download 6CECC78706A4984CBB0F55F509518C584646CDB4037B9864E7A8E48AEBD05119
x64 — Download 7A89C7F7412DD41035B36D840197F5B25CBE40D78E36CDDA291613D6FC5BBBE8
arm64 — Download 428FF4D79D877C7674C30A704DE2BCFC27D444EAD0FFA6C2833C34683BE274BB
137.0.2
Architecture Scope Download SHA256
x86 — Download A26C881C00BF20CA6AE36F9103E85B9B0F45987E1C6DEAEFB37C79F86F233BEF
x64 — Download 4DB2B6E9894342DA870DB91441815B722B5CA76D0EDDD37C2BEFC74B9EC54B86
arm64 — Download 479C2E95ABEE5D3D42514E376C3DF2607BED624F3EE15BF7D21D856756442BB6