Local firstThread data stays on your device by default.
Gmail Chrome extension
Gmail triage, follow-ups, thread context, and clearer writing.
Postbird stays inside Gmail as a privacy-first Sidekick, then explains complex threads with Summary, Facts, and source-backed Evidence so key points can be checked against the thread.
Chrome Web Store coming soonSee the workflow
Free Local helpers run in the browser. Account-based Postbird Cloud handles managed AI only after sign-in, eligibility, consent, and quota checks.
Re: Launch review notes
InboxProof trailMaya Chen to Sidekick claim
Source-backedClaims are designed to link to thread messages and evidence.
No whole-inbox analysisPostbird works from the thread you open.
Postbird CloudManaged AI runs through account-based Postbird Cloud where available.
Living workflow
One thread. Four ways to move it forward.
Follow the same synthetic launch thread through Compose, Triage, Follow-ups, and Context. The hero mock and spotlight below stay in sync.
Compose
Draft with frameworks and tone.
Frameworks
BLUFSBIAIDAPAS
Tone
ConcisePoliteAssertiveFriendly
Text Operations
ProofreadShortenExpandBullets
Compose
Shape a reply with frameworks, tone, and reversible review.
Writing with review
Shape drafts in Gmail. You approve every change.
Compose Studio suggests frameworks, tone, and text operations on the draft you already have. Postbird never sends mail for you — review, accept, reject, or edit before anything changes.
Frameworks
BLUFSBIAIDAPAS
Tone
ConcisePoliteAssertiveFriendly
Text Operations
ProofreadShortenExpandBullets
COMPOSE STUDIOReview first
DRAFT REVIEWHi Nora,Bottom line: the checklist is ready.Added the FAQ link below.
AcceptRejectEdit
Postbird helps shape drafts. You stay in control.
Source-backed evidence
Key points should point back to the thread.
Postbird is designed to connect key points to the messages behind them, so you can check the source before acting.
Visible thread · 3 messagesDemo: facts readyDemo: evidence readyLocal first
Coverage depends on visible Gmail content. Postbird flags partial or snippet-only analysis when the thread surface is limited.
Claim
Requested checklist confirmation and FAQ link.
SourceMaya Chen · 9:12 AM
Selected proofMaya Chen
Could you confirm the launch checklist by Thursday and add the FAQ link to the note?
LinkedMayaRequested checklist confirmation and FAQ link.
Launch review needs checklist confirmation and FAQ link.
Maya asked Nora to confirm the launch checklist by Thursday and include the FAQ link in the launch note.
You need to reply with checklist confirmation.
Privacy is the default. You stay in control.
Postbird keeps current Gmail work understandable, with local-first helpers and explicit Postbird Cloud boundaries where enabled. Identity-only extension sign-in supports account metadata work; managed Postbird Cloud remains the account-based route for managed AI.
Local by defaultSettings, reminders, and visible thread work stay in the browser profile.
Account-based Postbird CloudManaged provider calls happen only for requested actions where enabled.
Account-based managed AI routePostbird Cloud keeps provider routing behind backend safety gates.
Chrome Web Store listing coming soon.
Postbird launches with free Local helpers and eligible account-based Postbird Cloud while the Chrome Web Store listing is finalized.
Chrome Web Store coming soonQuestions before launch?