Claude QoL is a Firefox extension designed to enhance the user experience of Claude.ai by adding several quality-of-life (QoL) features. Key functionalities include text search across all chats, chat forking and compacting, and advanced chat navigation, which streamline the interaction process. Users can also enjoy enhanced editing capabilities, allowing file attachments to past messages and easy exporting and importing of chats in JSON or TXT formats.

This extension also incorporates advanced text-to-speech (TTS) and speech-to-text (STT) features, leveraging external API services for character-based voice options. Users can customize their experience further with a preferences switcher and per-chat style overrides. Notably, the extension operates on a Bring Your Own Key principle, requiring users to supply their own API key for certain features.