Data file viewers for JetBrains IDEs, VS Code, Confluence and Jira. Each one opens a big file in place and pages through it instead of loading it whole; reading is free and Pro is the paid tier.

Website: https://twilightventures.dev · Support: support@twilightventures.dev · Bugs and requests: https://github.com/twilightventures13/lens/issues

• JSONL Lens: JSON Lines and NDJSON, gzipped included
• Log Lens: large plain, JSON lines, logfmt and ANSI logs, with follow mode
• Parquet Lens: Parquet, Avro, TFRecord, Arrow and Feather datasets
• SQLite Lens: a SQLite database browser, read-only by default
• XLSX Lens: Excel workbooks, streamed and read-only
• Notebook Lens: Jupyter notebooks as documents, no kernel needed
• DuckDB Lens: a read-only DuckDB database browser
• Heap Dump Lens: JVM heap dumps, thread dumps and GC logs

• Open VSX: JSONL Lens, Parquet Lens Viewer and Log Lens
• Visual Studio Marketplace: JSONL Lens, Parquet Lens Viewer and Log Lens
• One Lens Pro subscription covers the three, with a 30-day trial on each machine.

• Lens File, Log, & Attachment Viewer for Jira and Rovo: attachments on an issue open as paged tables, read as the viewing user
• Lens File, Log, & Attachment Viewer for Confluence and Rovo: attachments on a page open as paged tables, read as the viewing user

Every product page, the guides, the pricing and the policies are on the website. The store terms, the privacy policy and the security policy live in the lens repository.

Every JetBrains plugin has an issue reporter in the Help menu that shows you the full text before anything is sent. Suggestions of any size are welcome there, or as an issue on the lens repo.