Firefox 64-bit 143.0.3

Mozilla’s popular open source browser enhanced for performance, privacy, and functionality.

Source: mozilla.org

Release	Date	Hash	Show all revisions
143.0.3	Oct 1, 2025	e941b2fc5d4074b7
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Developer: mozilla.org/en-US/firefox

Support: support.mozilla.org/en-US/products/firefox
Current
143.0.3 updated 8 days ago
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File Extensions

.avif .htm .html .oga .ogg .ogv .pdf .shtml .svg .webm .webp .xht .xhtml