Sunday, 12 April 2026 @ 06:31 UTC ~13 12,244 130,110

Mozilla Firefox (ff)

Mozilla · Mozilla.Firefox.ff

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.ff --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 D0BEE098C8BA6E0E5E61FA435C1ED95ABE768C8CD9A8F2C441546FEAB475A6C4
x64 — Download 9A75D88C0C5DF73B68674710C3DA02B8EE79F0646B95610249BB2C7B89B538A2
arm64 — Download 54168D70BADDDD466605407F5A7A3ADE7A1954FD8CD6B7FC096601D69EBA836A

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 F6BE698990039E7A0F3411A0AA4A61F41769204A3DF6DBDE34EBDD548726D339
x64 — Download 14D8CB09F139E030831D70367E912B11603259539A4E63C3CFC622534353FA29
arm64 — Download F209694D7596758E44B9C2B0386E997D4F5CDB167D85DF75BD39523BD3D5991C
148.0.2
Architecture Scope Download SHA256
x86 — Download A9EDC613E011E82DF19D66D5D67C9E76A99AD3EE103D4F6B15282418FB14F2DA
x64 — Download A2045325F853DA4B1D4AC155A01E6079D42CEE18256DFE01B0B0456E1FBEC6B8
arm64 — Download 43B42F6E318897792A84C687484BCF5E5B5AE9F997E8CCBE45BD58928C8EF4A3
148.0
Architecture Scope Download SHA256
x86 — Download CC9F21C1C4C91906D4EB09F40E1C50D61D31ABC7BB2500A31EB2D1D977BF405E
x64 — Download B7446430EA778DCC98AAE387E72D84CBD7692DFCD4A061A0A33744CCD8ED0489
arm64 — Download E7CAB3C5BE8BD3ED1A89440E10EA60395D6146C7A25ED0C771194BC9B4326C86
147.0.4
Architecture Scope Download SHA256
x86 — Download 486094D73E2EA4194181FCB3B573DC1EBEFE9F405D99ABE485C691A663472A29
x64 — Download 89EC8D85D779C7886ABB34E7D3AFE599D3DB8215A4938113639D9FF938055E58
arm64 — Download B993A3211F0A9CE90C613328C626D3E1DB2396FFDD38C19B0C92B826F28C9359
147.0.3
Architecture Scope Download SHA256
x86 — Download 057DD02B905072E5102D75BFD53EB15DF83F2C36CE0BD0DCFB297A87E38B0D10
x64 — Download A26C5BA9031F880E86A5A272093CCA636DEF4E2914838658D26ECBD48484C0E2
arm64 — Download 3AFE7E870C561EF5868FC4D3DDFEA45417AB3457F5C9B4FA83F7983D9D75A7AC
147.0.2
Architecture Scope Download SHA256
x86 — Download 8BF63BDB717304B3E82A17301821C62437DE24DEB94FBB739667F9F6BBE053E9
x64 — Download 26EA190955251DED56D11E5BA1AE1666B96B7E6BE41AD98C3244879C3FE19E63
arm64 — Download 3D359083EF66F557447B9E88F93DA1DE2246897C5AC745D6014EF2E52A723675
147.0.1
Architecture Scope Download SHA256
x86 — Download B0692E75164F8EDA6BDE6B9A11D2391AA0708E4050E240352FE4028EA88A96C3
x64 — Download CB6C9F6F9066A4273D5919223685E8FC80A03E45D433B69DF9B2C636F8FAADD3
arm64 — Download F6BCB68D6E158C24BD7931C5CA71D842D135688CA4D8BCAAF5E70DF9E30A6A08
147.0
Architecture Scope Download SHA256
x86 — Download 183D1E573703D9C4FD3704E784850D236BA7246E11CBD187ADC8E66D42A72000
x64 — Download 7ACD65E4BAC6CE288DA874941AE0FA2273EFA6B2D2AB5338ADC82BB4B8375F67
arm64 — Download 570F044118B875690575171B0FC9C2E26E287CE0D1DD41AD42E7995CA223BA3B
146.0.1
Architecture Scope Download SHA256
x86 — Download CCAE2B3AA9B93407DE22EC084C39851FFF6077095B5BB14FDD80681A7A23E191
x64 — Download C2828994C54DFFC92313F062D123B5282726BA1DAADE84D943E4D0EE6A31350D
arm64 — Download AE313B6E163C810D282684EFB5F797A4F0C28F391BA7192BDBDE1018904690BE
146.0
Architecture Scope Download SHA256
x86 — Download F322644611886F1EBB0E31FDCC973CB140562F28BC1021194E5F0CBC9F0E1A2E
x64 — Download B5C7E1744426F153BB3B7C503FB267E68CD12C0CB1D80265AD77930569F136F2
arm64 — Download 782DA14FDCF1AB2E4A8C9CE2CC8C171910221343C9B38C6315C8A63052704F10
145.0.2
Architecture Scope Download SHA256
x86 — Download 805608D7C0407A8FF49A091A0473F7996B9022DCE5CF120DB15B3FB8501A2029
x64 — Download DA3B341A1EC3A02AAB42FD074390D4CD1520B529805E5E54AD37F0674EE79A38
arm64 — Download 5046F12F9EACE921B08AE52E318646268D5813B553755D0BBF3594ABDB0B380A
145.0.1
Architecture Scope Download SHA256
x86 — Download 72E4FE71D01D25F60121FFFCDFED8096618F9946D3F700AEB237096E1F7CDB99
x64 — Download F6A48D38C183E477672D08C30BB37095ED6933D8B08B8AD74C57AC2AD922BE67
arm64 — Download D8308F78CC2A9606022E67A34650FDC7A4643B248714D4BB1F7B4789063BB214
145.0
Architecture Scope Download SHA256
x86 — Download 9119B968259C17AC2CEC209E87210AB4E258803ABBB90E996BC92C51785D5D5E
x64 — Download 2B7BF550197C5D2C7875296D7F102617D31BBFD25D128A48D9EA8F4D5E8DA724
arm64 — Download D74C7AAB126C7CD9C659C23EE50EF9780811E7F774EA81C81CCDF6B29F1B8AB4
144.0.2
Architecture Scope Download SHA256
x86 — Download CDF55964D05373B0D5563F2FE7716E97E6313F6F2373010F68E7518CADB446B2
x64 — Download DA8BC89BDAA653368EE59A5F8DEACDB8676DF97D8D4FC5AF54AD3B3B41E84D5F
arm64 — Download 18854C5B01E6E0ADEA266B097A59E7A796514B8CA50E07BBDA9F002C070D4AC2
144.0
Architecture Scope Download SHA256
x86 — Download 856D21D246B9CAE88250A338570E311A5059188E84F2A79968D8ED9B570B95D1
x64 — Download 2DEB376ADD8C45177BC5FD41FACCCA98604BD74DDC346792F07C88E1E30EA7FD
arm64 — Download 17F5A3F92A0C35B50CC6E5814F8376E327B076CF96D34D089E2A7C0258A089B8
143.0.4
Architecture Scope Download SHA256
x86 — Download 10D34E53A1A6C4763BE731B3753D070480B5F4D0CE19029F79B0D1954A4AD101
x64 — Download 2665D84FCD23011C41723BA56C7CD3951E4D1EBC7408EF584582003F257DA917
arm64 — Download C9754FB7679F8A554DCAC8EE7102AC951C7AC84D05B3FFC87AF2F8EBDB0040DD
143.0.3
Architecture Scope Download SHA256
x86 — Download 700142336DB2BDEC28E76961449019AB77686F973963F6FD80760DAE905F8811
x64 — Download A06C1BE371662E08603479F10ECD87D638BBAF3B00FE311451BA7DFB721FB752
arm64 — Download 553CCEB0971DFDF08ED6780686F03170C7BE11117ABE5163E418D05C72DE30F3
143.0.1
Architecture Scope Download SHA256
x86 — Download F119EA9537C694AA413CFADBA064BE8A596A2077E543DE2552ECD195865372CB
x64 — Download 484C6E5D1AA9A529F7E1E12AAA1910C3550ABF824F7DAFB72B975F4665A950AB
arm64 — Download 85049AF86F287D07C7AF03123EEF5F825507667027AE17C1686FD96B90AE238C
143.0
Architecture Scope Download SHA256
x86 — Download D2BA1951A7374F3FA6F7AC36A704FC39056FCF17A8E14E4499CFF13D52AE2B1C
x64 — Download 9D3859EAA33E69E8C368D76911169E87C1111A145967DD745EA4FEDA3A029B57
arm64 — Download 9FCBC2293A42AB181D1124F5634D283A8EF65B23AD6FE707C6A2236CE583B7ED
142.0.1
Architecture Scope Download SHA256
x86 — Download 83EA31A7A8A027B7874A4836E190B3E17EF1F88632B68540B8101895C7163C83
x64 — Download BA2F7775FC51AAC48EB6AC63E51EC9335B8D45D2E03456E80D2332463290755B
arm64 — Download C97A0A428A22CFA09D34FB22CC38E9FA255A5FCD9A26A136E9B5BC03F6B8EA0B
142.0
Architecture Scope Download SHA256
x86 — Download B2648D479CBC0BBA7BEAB690237C60EAF87577B501CBDD9D666CE87F6FDA08D8
x64 — Download 86663BAF9769119D3836452D01CE15C06AAE74AC5F1FB5AA04B8F4B29078DF5A
arm64 — Download 7087F688617D354634B3CF00D9E3991BF313E21DA22E525303806B7BDAED9F88
141.0.3
Architecture Scope Download SHA256
x86 — Download 8F20E3E9C9F6CB2D8316AFFA4F9BD330DFC1B693DD85C0E9C63491531F46CB3B
x64 — Download ED533A2942EF71E94DB1107C3348EF0BFF4E1C25BA1BEB33D3AF72DEB3B0B642
arm64 — Download 05A8C9677CD5B97A1A2998117BB4E9F2F162F672243821368599AEA90DA08294
141.0.2
Architecture Scope Download SHA256
x86 — Download 1CA5DE84274F5CE370F005141E8CF2297A665E9FD9A28AAA1447EC5A524851BE
x64 — Download CA52411D3128D8D8C04BD8224FEAFD5A35DFCFCEE5F4C49375F656A9117F82CF
arm64 — Download 05E6D1B5E7B9A3C3A5C1C8299EB7A9110EF8C3342B1F7958F8C6AE01C3252761
141.0
Architecture Scope Download SHA256
x86 — Download C52B58CC7C53C899FF5A5C6AF16CB70E78B867C93E77C74C440510185C1DD98A
x64 — Download 40BBF68493A0B43B9F4D45FF26400A1ED0B325E0824BBAA277EDCD3B3FA55357
arm64 — Download 9F6DAB1D4B275CC5B57D6AC22EFC9FA75E68AD2D0EFB0517ADC78AC3E0041634
140.0.4
Architecture Scope Download SHA256
x86 — Download A79DE0AB32C01C6E6DB899FAC06547BF77C18C89580020CE9F7109944DD0BA48
x64 — Download 0E2748E526A7228FDFBF8B305ABB8F7E2EA117DFAE91B751A1AD8AF158F441CE
arm64 — Download 81A09B69577715AE18690D1BAB12BF0075C070D90DCFE324640D19555D8DCE3B
140.0.2
Architecture Scope Download SHA256
x86 — Download BF55D430BEC266F6DDF7D998B0D22565F078D26EF4415BE0EF4C33390ACBE1D7
x64 — Download FCCEF39AB51AF06E83AEE656FC88057CFED0A9BD1987445BD3588589BF8D42C4
arm64 — Download C66C1F9B0FD1860B9120BAFFBB62CEF8A50DF1967BCB01FE7203AE73AA7779CA
140.0.1
Architecture Scope Download SHA256
x86 — Download 488AF2F310C0EBF137B48CE4699B91F54F802E0A8D32F7AB0EEFBB90D1A3BCC0
x64 — Download 1C066C42FAAB4D8DCF8812A0EC0DCD38B5AAABBE3F0FC215B5760861DE4C636C
arm64 — Download B89B7CCD38E2CF1A7EA249D5C487E30821FCCCCF63E5FD29082EB4F57CED3384
140.0
Architecture Scope Download SHA256
x86 — Download DA037971D910C8E9073B5E151C122391EBA63F84F2F9B2778093C776E17A5DF0
x64 — Download 88E6738DCB2AC4ACF6DC45AA7EC11B7BF0759FAB01765E3963E059E659D51F71
arm64 — Download 580FC7F1669E0310869EC1B6C01E45A2DE48B5323CC00FCCA0DBB392054EDF57
139.0.4
Architecture Scope Download SHA256
x86 — Download 730C73058F6F0EF1F11CE0CC3DAC7A0E5E1E7E51A53BE47F33C4534E47791994
x64 — Download CD82080655000430C1B362AFF6636AEB12C60C3059B644E35F782474BBB1DDDC
arm64 — Download 436776BF4816BE6FD3D797BC6AB33FC3F4BB964E30744DEAC67BC9471745236F
139.0.1
Architecture Scope Download SHA256
x86 — Download 382A243FCD9C2F07EB9B6A67B8EB999D54E29666BB2285ADFF134E29E287B01F
x64 — Download 01F437AE86DE01272DC2118E0E6D2EC79E689E00258ACBD13633DBE5D12C6042
arm64 — Download E8F5EA163D63FF5B0125F841CF559C3F0F3378BD28854DE398173F4A92A67F83
139.0
Architecture Scope Download SHA256
x86 — Download A66735A075F5A76CC64DFF1FE3637B4BA1D341C358DC0CAEFF73432077C1FD53
x64 — Download D4D61A4524EEF532CA32B36D7E462991477A6671CD06C7227038A0447A9DE0B7
arm64 — Download E1716983042B3D661D1AD51367666D0DB30954ECEC0D48F0A93104F3D0EC6FB9
138.0.4
Architecture Scope Download SHA256
x86 — Download 0C2C9E6F43E092511BE9FB6AE5F1BDCBB4134F233DB1796BF74ECB8AB35ABB71
x64 — Download 2286DD00517BD329905E0D6F0834329F1968E793719F1B8E377A8FE9D1973D18
arm64 — Download 41F3937247F2E500313AE837DE692489728702D5C62B41F0FD0859E662BCFCBD
138.0.3
Architecture Scope Download SHA256
x86 — Download 3F0659A22D6904338C80597C6642335DCACF81C037F6C985E421756A2CA94F99
x64 — Download B45849E0FBC107A633D644ABF559585C29F2B0DD86A0B0E7CDA4EE1039789B4D
arm64 — Download 2909B79BC958021CC93472C37E6FE88D99C4C7AB66650CFF5B4DBCFC6ADA036A
138.0.1
Architecture Scope Download SHA256
x86 — Download D27FDE9806FF86E0E6E716232C09949254E1BADF765CF16AF8910F2A0C81D000
x64 — Download 5FAD1288520D7C379DC0E0E063666801CE558C5145F07776408C4F4CE89C7523
arm64 — Download 777C9254D9A2C7645A193F1BDF762CCE3FC61ADD13B9B0BCDF61772A23CFE2F8
138.0
Architecture Scope Download SHA256
x86 — Download FFB547202222566AB71D4C7CA67B25F9A7A1DCCA3EEB52308A7449129C25CF12
x64 — Download F16F19A9CABEB6DB9A3661CE535795D298BAD6F9C468D7E7FE7A815B52D76562
arm64 — Download 9253E4C40CF103C430A9AB253D71B0BC076C5EC46556204B26D739E65F04FA08
137.0.2
Architecture Scope Download SHA256
x86 — Download 7103623C90438A74815CAF26EB61F9A0F0173E0B35688CD3A33823FF640D1459
x64 — Download 3A27F77491E82A735658A1F9DC991124AEAE9826AC0D8A9310091DD7CB9D359C
arm64 — Download 8DD1CE3A7DBDA50266DFCD1432F71EA73DF04D671C296C7F593ED2DFE5ED91CC