SessionForge — Parallel sessions, one browser

Built for people who live in many accounts

Not incognito windows. Not separate profiles you juggle. Real, persistent, side-by-side sessions.

True session isolation

Every tab gets its own cookie jar, localStorage, and IndexedDB via Chromium partitions. Two logins to the same site never see each other.

Identity sidebar

Organize tabs under colour-coded identities in a clean tree. Drag a tab onto another identity to instantly rebind its session.

Multi-Run & scheduling

Fire the same task across many identities at once, or schedule per-tab runs with a live countdown and full run history.

Feels like a real browser

Bookmarks, history, find-in-page, Ctrl+Tab switching, keyboard shortcuts, export/import identities — the essentials, done right.

Your data stays local

No account, no cloud, no telemetry. Every partition lives on your own disk. Open source — read exactly what it does.

Cross-platform

Native builds for macOS (Intel & Apple Silicon), Windows, and Linux. Built on Electron, so it's the same Chromium you already trust.

How it works

One line of Chromium magic

✓Electron's <webview> tag takes a partition. Same partition = shared storage.
✓Different partitions get completely separate cookie jars — even loading the identical URL.
✓SessionForge maps each identity to persist:<id>, so logins survive restarts.
✓Storage is written per-partition under your app data folder. Delete an identity, delete its jar.

<!-- Two logins to the same site, side by side -->
<webview src="https://claude.ai"
         partition="persist:user1"></webview>

<webview src="https://claude.ai"
         partition="persist:user2"></webview>

// Both render claude.ai in parallel.
// Two independent Chromium sessions.
// Neither knows the other exists.

25+ real situations this solves

Anywhere you'd otherwise juggle incognito windows, separate browsers, or a second laptop.

Agencies — many brand social accounts Freelancers — one tab per client tenant QA — role-matrix testing in one window Dev — cookie & OAuth flow debugging Support — agent + customer views at once SEO — personalized vs neutral SERPs Sellers — multiple marketplace accounts Families — one identity per person Journalism — source compartmentalization Privacy — banking isolated from ads Pentest — authorized multi-user sessions Personal + work — Google / Microsoft

Read all 25 use cases →

Parallel sessions,
one browser.