Write with AI that sounds like you.

Newsletters, blog posts, reports: your voice, your design.

The slopmill editor, from the walkthrough▶ Watch the two-minute walkthrough
Try the demo Get it on GitHub

Write the parts you care about. Leave prompts for the rest. Fix what the model gets wrong.

  • Free, open source
  • Runs on your computer
  • Your own AI account

Yes, the name is a joke.

AI writing that sounds like nobody is "slop." slopmill does the opposite: it helps you say things better in your OWN voice.

How it works

Screenshots from the demo, in a voice borrowed from A. A. Milne.

  1. Plan

    Write your paragraphs. Leave prompts for the rest, including:

    • Pictures
    • Charts
    • Research
    The Plan screen: the author's own paragraphs, a heading, and three prompts: one for text, one for a picture of a honey pot, one for a chart of honey pots left each day.
  2. Draft

    Read the draft under each prompt, and edit anything.

    • Your edits are never rewritten
    The Draft screen: the author's words marked locked, and the model's draft of the prompt beneath, in the Milne voice, with Edit, Lock, Rewrite and Discard buttons.
  3. Proof

    See it in your design. Leave notes, fix words, check spelling. Then download:

    • Web page
    • Word
    • Zip
    The Proof screen: the issue in the storybook design, with a spelling fix highlighted (teh became the) and listed in the side panel.

And while you work

The chat beside the editor: the author asks what could be added, and the model answers with a suggested chart prompt and an Add to Plan button.
Ask anything. It never touches your words.
A column chart titled Honey pots left on the shelf this week: Monday 4, Tuesday 3, Wednesday 1, Thursday 0.
Exact charts. The model finds the data and sources; slopmill draws the chart.
The Add your own picture dialog: a photo of a honey pot and a notebook, with alt text and a caption filled in.
Your own photos, or drawn ones. Location data is removed.

What you bring

Samples
Three to five pieces you wrote.
A writer file
Who writes, for whom, the key rules.
A voice file
Your habits, each with a real line.
A design file
Your colours and HTML.

How to make each one →

Try it yourself

Click through a prefilled copy.

Open the demo

Buy us a cup of coffee

slopmill is free and will stay free. A coffee keeps it maintained and pays for the demo's server.

☕ Buy us a coffee on Ko-fi, once or monthly