Redline

Annotate the web. Keep the evidence. Local annotations for serious reading.

Redline is a local-first research companion for people who need to keep the evidence with the thought. Save web pages as structured source records, capture selected passages as annotations, group related material into dossiers, and search your research library without sending it to a hosted Redline service. Use Redline while reading to save the current page with a title, note, tags, reading status, importance, and optional dossier links. Select text to capture a highlight, claim, source, question, follow-up, or other research annotation. Saved highlights can be restored on compatible pages when their text can still be located. In the library, review pages, annotations, dossiers, tags, and links together. Redline can generate local exports in both academic data formats including BibTex and RIS and in machine readable formats including CSV and JSON. Redline's JSON import includes local parsing, validation, duplicate detection, and skip-or-merge choices. Key benefits - Keep web sources with notes and research context. - Capture passages while you read instead of losing them in bookmarks. - Organize work with tags and dossiers. - Search your locally stored sources, notes, and annotations. - Create portable backups and citation-friendly exports. How it works 1. Open Redline from the toolbar, context menu, or keyboard shortcuts. 2. Save a page or capture selected text on a supported web page. 3. Add notes, tags, status, importance, or a dossier. 4. Review, search, and export your local vault from the library. Supported browsers and platforms Built for current desktop Chrome, Chromium, Microsoft Edge, and Brave through the Chrome Web Store. Redline has a separate Firefox build for AMO; see the Firefox listing materials. Limitations - Annotation restoration depends on the original text and nearby context remaining on the page. Heavily dynamic or rewritten pages can require review. - Page interaction is unavailable on browser-internal and other protected pages. - Redline stores its vault in browser-managed local storage. Clearing browser profile/extension data can remove it unless it has been exported. - CSV export writes a locally generated ZIP containing separate CSV files.