Save paper metadata and PDFs to Clasp, including appendices.
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Version
1.1.3
updated 11 Oct 2026
About Clasp — Save paper
Save scholarly papers from Chrome to your Clasp research workspace.
Open a paper webpage or a public PDF, click Clasp, review the title, authors, publication and year, choose a workspace and optional folders, and save. Clasp opens the selected workspace and reveals your imported paper.
• Choose Personal or an editable shared workspace.
• With Clasp 1.1.14 or later, select one or more folders before saving. Nested folders show their full paths. Saving an existing paper adds it to your selected folders without creating a duplicate.
• Review and edit bibliographic metadata before saving.
• Save publicly accessible PDFs from scholarly websites, arXiv and OpenReview.
• With Clasp 1.1.14 or later, prefer a verified published PDF when available, including for arXiv imports, and include or append verified appendix PDFs. Appendix detection is a heuristic and does not guarantee completeness.
• Close the popup while the import continues and reopen it to see the result.
REQUIREMENTS
Requires the Clasp macOS desktop app (1.1.0 or later), a Clasp account, and the Clasp Chrome connector installation. Multiple-folder selection requires Clasp 1.1.14 or later; older apps can still save to a workspace. Windows and Linux are not supported by this connector. The extension cannot save papers on its own.
Setup and downloads: https://github.com/kihyukh/clasp-downloads/releases/tag/chrome-connector-v1.1.0
The connector downloads public resources and does not use browser login cookies to access paywalled PDFs.
The extension reads the active paper page only when you invoke it. It does not read passwords, form values, cookies or your browser history. No advertising, tracking or remotely hosted extension code is included.