The AI agent for your documents.
It edits your Word, PowerPoint and Excel files for you. You keep what’s right.
Free forever. Mac, Windows and Linux.
“Update slide 3 with the final Q3 numbers.”
Skip the subscriptions.
Open, edit and save your Word, PowerPoint, Excel and LaTeX files. Free forever.
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Word, PowerPoint, Excel
$0
No Microsoft 365 needed.
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LaTeX
$0
Long documents compile on your computer. No Overleaf plan.
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AI edits
$0
A monthly allowance on the free plan.
Docs, decks, sheets. Done.
Word, PowerPoint, Excel, LaTeX and Markdown. One request each.
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Word
Make the recommendation specific and set Tier B to $11.40.
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Excel
Add the second delivery van from March and update the totals.
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PowerPoint
Update slide 3 with the final Q3 numbers from q3-close.xlsx.
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LaTeX
Report the rye effect with its 95% CI from the model summary.
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Markdown
Turn the to-do list into action items with owners and dates.
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Your files next.
Open a Word, PowerPoint, Excel, LaTeX or Markdown file and ask. Free forever.
You have the final say.
See every change. Keep it, or put it back.
Before
We think it might make sense to consider raising prices for some wholesale customers at some point next year, depending on how costs develop.
After
Raise wholesale prices by about 5% on 1 January 2027, with 60 days’ notice to every account. Hold Tier A prices for accounts that sign a 12-month renewal.
Before you ask.
Yes, with a restore point. Discard puts back the exact original. If another app changed the file in the meantime, Nebula won’t overwrite it.
Your request and the parts of your documents the agent needs go to our servers and our AI provider. Your files stay in your folder.
Yes. It renders the saved page, slide or sheet and checks it before and after an edit. Slides need LibreOffice.
$0 forever for the editor and a monthly AI allowance. No card needed. Pro is $15 a month for more AI.
Apple silicon Macs (macOS 11+), 64-bit Windows 10+, and x86_64 Linux.
Get back to the real work.
Nebula does the edits. You make the calls.
Free forever. No card needed. See plans
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Download .dmg
macOS
Apple silicon, macOS 11 or later
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Download .exe
Windows
64-bit, Windows 10 or later
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Download .AppImage
Linux
x86_64 AppImage
No Intel Mac or ARM builds yet.