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Capture console, network, screenshots, mic narration and device info into one self-contained bug report. Open-source Jam.dev. OpenJam is an open-source, privacy-first bug reporter for Chrome — a free alternative to Jam.dev. Hit record, reproduce the bug, and OpenJam captures everything a developer needs to fix it onto a single correlated timeline: • Console logs and uncaught JavaScript errors, with full stack traces • Network requests — method, URL, status, headers, payloads, timing, and response bodies • Screenshots — at start and stop, automatically on every error, and on demand • Device & environment info — browser, OS, viewport, screen size, timezone • A full DOM session replay (powered by rrweb) you can scrub through frame by frame • Optional mic narration you can hear play back in sync with the replay Click "Stop & open report" and OpenJam produces a single self-contained HTML file. Open it offline, on any machine, with no extension or account required to view it, and watch the whole session play back next to the timeline. Perfect for attaching to a GitHub issue, Jira ticket, or Slack thread. Privacy first: everything stays on your machine. No backend, no account, no telemetry — nothing is ever transmitted. OpenJam is fully open source under GPL-3.0, so you can read and audit every line. How it works: OpenJam attaches the Chrome DevTools Protocol — the same mechanism Chrome DevTools itself uses — to the tab you choose, so it captures exactly what the browser sees. Chrome shows a "being debugged" banner while recording; that's expected and disappears when you stop. Source code: https://github.com/SaintPepsi/openjam Report a bug / request a feature: https://github.com/SaintPepsi/openjam/issues Privacy policy: https://github.com/SaintPepsi/openjam/blob/main/PRIVACY.md
Jul 17, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.