Inkwell

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Inkwell

the sovereign markdown editor

Inkwell markdown editor in Editorial theme showing file tree, LaTeX math source, and live-rendered equations in split-view previewInkwell markdown editor in Midnight dark theme with LaTeX math rendering and file tree sidebarInkwell markdown editor in Mono theme with monochrome styling, LaTeX math, and split-view previewInkwell markdown editor in Sepia warm-tone theme with LaTeX math and workspace file tree
Editorial

40 MB or less. Under 1 second.

Built with Rust and vanilla JS. No Electron, no framework, no build step. A single binary that starts instantly.

4 Themes + Create Your Own

Editorial, Midnight, Mono, Sepia — each hand-tuned. Or build your own with 6 color pickers.

Mermaid & LaTeX

Flowcharts, sequence diagrams, and math equations render live in the preview pane. No plugins, no config.

Workspace File Tree

Open a folder, browse your .md files from the sidebar. Persists between sessions.

Command Palette

Ctrl+K to access every action. Fuzzy search, keyboard navigation, shortcut hints.

Your Files. Your Machine.

Zero telemetry. Zero cloud. No accounts. No subscriptions. Everything stored locally. You buy it, you own it. Forever.

Get StartedDownload

Frequently Asked Questions ​

Is Inkwell free?

Yes. The full editor is free forever: all themes, workspace, diagrams, math, templates, and version history. No account required. PDF and HTML export require a one-time $19 Pro license.

Does Inkwell work without internet?

Completely. Inkwell has no cloud component. It does not connect to any server during normal use. Your files stay on your machine.

What operating systems does Inkwell support?

Windows, macOS, and Linux. All three platforms ship from the same Tauri/Rust codebase. Install via winget, scoop, yay, or direct download.

How is Inkwell different from Obsidian?

Inkwell is a focused writing tool, not a knowledge management system. No plugins, no graph view, no configuration rabbit holes. Open it, write, close it.

How is Inkwell different from Typora?

Inkwell ships new features faster (v1.4 shipped March 2026 with custom themes, command palette, Typst-powered PDF export). Inkwell has a free tier. Typora uses inline preview; Inkwell uses split view. Both support Mermaid and math.

Does the Pro license expire?

Never. One payment, yours forever. Your license is a signed file on your machine. No server validation needed. If 4Worlds disappears tomorrow, Inkwell keeps working.