Clarus
For founders who write in public

Write in public without losing your voice.

Clarus helps founders turn messy drafts, half-formed ideas, launch notes, and investor updates into clear writing — with feedback that sharpens your thinking instead of writing over you.

Try Clarus on your next founder postBecome a founding customer

Bring a real draft. Keep control of every rewrite.

Founding customer program

Help shape Clarus around real founder writing.

We’re looking for 10 founder-writers to help shape Clarus. Bring a real draft — a post, essay, launch note, newsletter, or investor update — and use Clarus to sharpen it without handing over your voice.

  • High-touch onboarding
  • Direct influence on the product
  • Use Clarus on real writing, not sample prompts
  • Built for founders who want an editor, not a ghostwriter
Claim a founding customer spot

From stuck draft to sharper public writing.

Clarus is for founders who have the idea, but want a better way to finish, edit, and publish it without sounding generic.

Finish the draft instead of overthinking it

Founder writing often stalls between the idea and the finished post. Sprint Mode gives you a focused window to get the messy version down first, so you have something real to sharpen.

Sprint ModeDistraction-free editor
Get editorial feedback before you publish

Clarus reads your draft like a sharp editor: it flags weak openings, buried points, unclear structure, and places where the argument loses momentum. You stay in control of the rewrite.

AI writing coachClarity and structure feedback
Keep your voice. Avoid AI slop.

Clarus does not exist to replace your thinking with generic content. It helps you make your own writing clearer, tighter, and more intentional — so the final piece still sounds like you.

Coach/editor, not generatorTrack changes and Markdown control

What founders use Clarus for

If your reputation depends on clear thinking, Clarus helps you make the writing match the idea.

Founder essays
Build-in-public posts
Launch announcements
Investor updates
Customer emails
Newsletters
Thought-leadership drafts

Your drafts are not throwaway prompts.

Founders write about strategy, customers, fundraising, product decisions, and half-formed ideas. Clarus treats that writing like private work, not content fodder.

  • Protected with encryption standards you’d expect from modern document tools
  • Built for private drafts, customer notes, investor updates, and unfinished thinking
  • Your words stay yours — Clarus is an editor, not a content farm

AI should sharpen the writer, not replace them.

The best founder writing sounds like a real person with a clear point of view. Clarus gives you a second pair of eyes: structure, clarity, and editorial feedback before the draft goes public. Your words stay yours.

“I want to control my message and not let a bot write for me, because the writing doesn’t sound like me.”

That is the problem Clarus is built around.

Bring a real draft. Leave with sharper writing.

Try Clarus on the next post, update, or essay you’ve been meaning to finish.

Try Clarus freeBecome a founding customer