Clear download list in Firefox
Firefox by default never clears the download list automatically. If you wish change the way Firefox works so it will clear the downloads either automatically upon download complete or when Firefox closes following the next steps.
- Type about:config in your address bar
- Search for browser.download.manager.retention
- Set its value to either 0, 1 or 2 depending on how you Firefox to behave
0 indicates that the download should be removed upon completion.
1 indicates that completed and canceled downloads should be removed when Firefox closes.
2 indicates that downloads should never be removed automatically. (default)