A privacy-first browser extension that turns your browsing time into a personality. Time tracking, focus scoring, doomscroll detection, wellbeing breaks, and a weekly Wrapped-style recap — computed entirely on your device. No account. No server. Zero network requests.
Are you The Autoplay Vampire? The 3AM Shipwright? The Timeline Landlord? Tabyss watches how you actually browse and tells you who you are this week — with unique generative artwork for every persona.
| 🎭 Browsing Personality | 50+ personas from 6 archetypes × 4 rhythms × 4 intensities, computed weekly from real patterns, each with deterministic generative avatar art |
| ✨ Weekly Wrapped | A 9-slide full-screen recap with a locally rendered 1080×1080 share card (categories only by default — sites are opt-in) |
| 🎯 Focus Score | Daily 0–100 from productive share + tab discipline − rabbit holes; honest "warming up" state under 30 minutes |
| 🎬 Media detection | Video watch-time, Shorts/Reels, and feed doomscrolling measured separately by a content script — normal reading never counts |
| 👀 20-20-20 eye breaks | The page blurs for a 20-second look-away after continuous screen time, with an animated countdown warning first |
| 🏢 Office Mode | Hydration and stand-up reminders, presence-gated so an empty desk is never nagged |
| 🔥 Streaks & badges | 30m+ productive days build streaks (one rest day forgiven); 12 unlockable badges |
| 🗂 Auto-categorization | Bundled offline catalog (~250 domains) + boundary-safe rules + keyword heuristics across 8 categories; user overrides always win |
| 📊 Full dashboard | Category donut, hour heatmap, weekly/monthly rollups, 12-week calendar, vs-last-week deltas, per-site favicons |
Built as a Manifest V3 extension with no frameworks and no external dependencies — every line of UI, tracking, and artwork is hand-rolled:
- Event-driven tracking engine on a service worker that survives suspension: 1-minute alarm heartbeat + tab/window/idle events, with wall-clock gap detection so machine sleep never inflates a day.
- Serialized storage transactions — all read-modify-write cycles run through a promise-chain mutex after a review found flush/maintenance races that could silently erase committed data.
- Honest edge-case handling: audible tabs count as active (a Netflix binge is not "idle"), same-site runs break across sleep gaps instead of stitching into fake 25-minute rabbit holes, and pre-switch-data days score with neutral credit.
- Domain-boundary-safe categorization — naive substring matching filed
netflix.comunder Social because it containsx.com; the matcher now respects hostname label boundaries, with an exact-entry catalog beating base-domain fallbacks (news.google.com→ News even thoughgoogle.com→ Productive). - Deterministic persona + doodle engine — seeded PRNG (mulberry32 over a string hash of persona + week) draws avatar art from the stats themselves: orbit dots = active days, voids = rabbit holes, core size = focus score.
- Strict media classification — scroll gestures are coalesced into bursts (≥400ms gaps) so one trackpad flick isn't "doomscrolling"; feed detection requires both a known feed URL and sustained cadence (≥8 gestures/min).
- Privacy as architecture: no
historypermission, no remote code, no telemetry, favicon rendering via Chrome's local cache, and a share card that excludes site names unless explicitly enabled.
From source (2 minutes):
- Clone this repo
- Open
edge://extensions(orchrome://extensions) → enable Developer mode - Load unpacked → select the repo folder
From the store: submitted to Microsoft Edge Add-ons — listing link coming soon.
Tabyss makes zero network requests — verifiable in the source: there is no
fetch, no XMLHttpRequest, no remote script, no analytics SDK. All data lives in
chrome.storage.local with user-configurable retention, full export/import, and
one-click deletion. See PRIVACY.md.
| Doc | Purpose |
|---|---|
| PRD.md | Product requirements and design decisions of record |
| CHANGELOG.md | Full version history v1.0 → v1.5 |
| QA_CHECKLIST.md | Release test pass |
| STORE_LISTING.md / EDGE_SUBMISSION.md | Store submission kits |
| PRIVACY.md | Privacy policy |
Vanilla JavaScript (MV3 service worker + content script), hand-rolled SVG/Canvas visualization (donut, heatmaps, rings, generative art), CSS custom properties with full light/dark theming, PowerShell build script. No frameworks, no build step, no dependencies.
MIT — see LICENSE.