Firefox 64-bit 139.0

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

Source: mozilla.org

Release	Date	Hash
139.0.1	May 30, 2025	d253328eba499c50
139.0	May 28, 2025	c65234b1d04898a7
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Developer: mozilla.org/en-US/firefox

Support: support.mozilla.org/en-US/products/firefox
Current
139.0.1 updated 6 days ago
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.avif .htm .html .oga .ogg .ogv .pdf .shtml .svg .webm .webp .xht .xhtml