Get a feel for
what HyperWords
can do for you

Two things, one account: a writing studio at app.hyperwords.pro (a document editor with 13 customizable AI actions, custom skills, a chat assistant, and Voice & Style personalization), plus a Chrome extension that brings the same actions and skills into Gmail, Notion, Docs, Slack, LinkedIn, and the rest of the web.

Yes. The free plan gives you Voice & Style personalization, all 13 built-in AI actions, 1 custom AI skill, unlimited spell & grammar checks, 25 chats per day, 25 rewrites per day, and 10 summaries per month. No credit card required.

Two layers of customization. (1) The 13 built-in actions — Rewrite, Formal, Casual, Continue writing, etc. — are EDITABLE. Open Personalize > Skills, click any built-in, and rewrite its prompt. "Casual" can mean exactly what casual means to you. (2) Skills are entirely new actions you build from scratch with a prompt — "Translate to Vietnamese", "Turn into a tweet thread", "Rewrite for non-technical readers". Free includes 1 custom skill, Pro 5, Unlimited unlimited.

Two short fields in Personalize: who you are / who you write for, and how you want HyperWords to write — tone, language, what to avoid. Every rewrite respects that profile, so suggestions don't drift into generic chatbot prose.

Paste a URL or drop a PDF / DOCX. HyperWords extracts the source, then produces a TL;DR plus structured bullets, each with a clickable citation back to the source page. The summary is saved as a document in your workspace. Open it later, and the AI Chat sidebar lets you ask follow-up questions about the source — "what does it say about onboarding?" or "summarize chapter 3 in 5 lines". The summary remembers the source, so the chat is grounded.

Four things the others can't do: (1) Every built-in action in HyperWords is editable — open 'Formal' or 'Continue writing' and rewrite the prompt to match how you actually want it to behave. Wordtune and QuillBot lock you into their versions of those styles. (2) Build your own skills from a sentence and reuse them across every doc and every site. (3) Summaries are documents that remember their source — drop a PDF, get TL;DR + bullets with page citations, then chat with the summary later to ask follow-ups. (4) No 125-word cap on rewrites the way QuillBot's free tier has. Plus Pro starts at $3.99/mo — roughly a third of Grammarly Premium, less than half of QuillBot Premium annual, and well under half of Wordtune Unlimited.

Both — and they share the same account, voice profile, and custom skills. Use the studio at app.hyperwords.pro for drafting, organizing pages, and chatting with your doc. Install the extension when you want the same 13 actions and skills inside Gmail, Notion, Slack, LinkedIn, or any other text field on the web. Most people end up using both.

Your text is sent to our AI only when you trigger an action, processed in real time, and not used to train models. We don't track browsing, we don't read pages without an action, and we don't sell user data. See our Privacy Policy for details.

From the customer portal inside the app — your plan stays active until the end of the current billing period, then stops automatically. No lock-in, no questions.