| Opera USB | Portable SeaMonkey | Portable Firefox | Portable Avant Browser | |
| 12.18 | 2.53.19 | 130.0.1 | 2020 Build 3 | |
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| Freeware | Open Source | Open Source | Freeware | Licence |
| FREE | FREE | FREE | FREE | Price |
| 24.30 MB | 55.20 MB | 135.00 MB | 111.00 MB | File size |
| Feb 25, 2016 | Sep 9, 2024 | Sep 18, 2024 | Mar 17, 2020 | Update |
| 21 | 21 | 55 | 13 | Downloads |
| Windows 2000, Windows 2003, Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit | Windows 11, Windows 10 32/64 bit | Windows 2000, Windows 2003, Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | OS |
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