START A PROJECT ↗AVAILABLE FOR PROJECTS
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// PRODUCT — AI EXTENSIONS PRO[ $3 / MONTH ]

AIEXTENSIONS PRO

// WHAT IT IS
ONE SUBSCRIPTION, THREE EXTENSIONS · PROOFAI SOON
// PRICE
$3 / MONTH · CANCEL ANYTIME

Quill AI, PageMind and ToneQuill are free to use every day. Pro raises the daily limits across all three — for people who write, read and comment with them all day. ProofAI, our grammar checker, joins when it launches.

SCROLL ↓GET PRO — $3 / MONTH ↗COMPARE PLANS ↓
// IN ACTION — REAL SCREENSHOTS3 EXTENSIONS + 1 COMING SOON
quill ai — ai writing assistant[ QUILL AI ]
QUILL AI — Select text and pick an action — here, “Improve” tightens a wordy paragraph right on the page.
QUILL AI — Select text and pick an action — here, “Improve” tightens a wordy paragraph right on the page.
proofai — grammar checker[ PROOFAI · COMING SOON ]
PROOFAI — Mistakes are underlined as you type — spelling in red, grammar in amber. Hover one to fix it.
PROOFAI (coming soon — not in the Chrome Web Store yet) — Mistakes are underlined as you type — spelling in red, grammar in amber. Hover one to fix it.
pagemind — chat with any page[ PAGEMIND ]
PAGEMIND — Ask about the page you are reading — answers stream into the side panel with follow-up ideas.
PAGEMIND — Ask about the page you are reading — answers stream into the side panel with follow-up ideas.
tonequill — ai comment assistant[ TONEQUILL ]
TONEQUILL — Hover a post and click AI Comment — a draft that fits the post, ready to edit.
TONEQUILL — Hover a post and click AI Comment — a draft that fits the post, ready to edit.
// 01 — WHAT'S INCLUDED01/04
// 01 — AI WRITING ASSISTANT

QUILL AI

Select text on any page to rewrite, fix, shorten, translate, summarize or reply — or compose from scratch. Results stream in place.

// 02 — GRAMMAR CHECKER

PROOFAI

[ COMING SOON ]

Underlines spelling, grammar and style mistakes as you type in Gmail, LinkedIn and any text box. Fix each one in a click.

// 03 — CHAT WITH ANY PAGE

PAGEMIND

Ask questions about the page you are reading in a side panel — summaries, explanations, and quotes you can jump to.

// 04 — AI COMMENT ASSISTANT

TONEQUILL

Drafts thoughtful comments for LinkedIn, X and Instagram posts in 13 tones and 25 languages. You edit and post in your own voice.

// ONE KEY — the same Pro license key works in every extension here. Quill AI and PageMind share one daily allowance, so use whichever you need most; ToneQuill has its own. ProofAI will be included at no extra cost when it launches.

// 02 — PLANS02/04
// 01FREE[ $0 ]

50 AI requests a day in Quill AI and PageMind, 15 comments a day per platform in ToneQuill. No account, no card — install and go.

// 02PRO[ $3 / MONTH ]

1,000 AI requests a day shared across Quill AI and PageMind, plus 300 ToneQuill comments a day — one license key for all of them, and ProofAI too when it launches. Cancel anytime.

// 03OWN KEY[ PAY YOUR AI PROVIDER ]

Quill AI and PageMind: already pay for OpenAI, Claude, Gemini, OpenRouter, DeepSeek or Groq? Paste your API key in settings, pick any model, and use it without limits — billed by that provider. Your text goes straight from your browser to them.

// 03 — HOW PRO WORKS03/04
// 01SUBSCRIBE[ 01 / 03 ]

Check out securely with Dodo Payments, our payment provider. Taxes are calculated at checkout.

// 02GET YOUR KEY[ 02 / 03 ]

Your license key arrives by email right after payment — no account to create.

// 03PASTE IT[ 03 / 03 ]

Open any of the extensions’ settings, paste the key under Pro and click Activate. The same key works in every one.

// 04 — BILLING & PRIVACY04/04

CANCEL ANYTIME.

Payments are processed by Dodo Payments, our merchant of record — we never see your card details. Your text is never stored: requests pass through our relay to OpenAI and are not logged.

// QUESTIONS ABOUT PRO?REPLY WITHIN 24H

ASK US DIRECTLY.