NightBloom is a Firefox extension that gradually transitions web pages into an ultra-dark, low-blue-light theme as evening progresses. It is intended for users who want a more comfortable nighttime browsing experience.
NightBloom is a Filters, effects & enhancement project. It focuses on reducing eye strain and screen brightness when browsing in the evening. It is built as a consumer product for firefox users who want a darker, low-blue-light browsing experience. NightBloom is free to use. NightBloom is available on the web and embeddable surfaces.
Neesen builds and maintains NightBloom, and it first shipped in 2026. Key capabilities include dark theme, low-blue-light mode, and gradual transitions. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
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