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Free & open source · Windows installer available
The Markdown & MDX editor for developers who blog.
Write blog posts, capture ideas, compress images, and publish to every site you run — from one desktop app. Mditoor edits the plain .md and .mdx files in your repos, with a frontmatter editor and git built in.
Personal blog
~/code/my-site/content/posts
RTDraft
Rust traits for TypeScript developers
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What could you write about? Jot it down…
Add
Inbox3
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My dotfiles, explained
zsh, tmux, neovim config tour
Feature flags without a vendor
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Drafted1
Rust traits for TypeScript developers
⋮⋮titlerequiredtext
⋮⋮daterequireddate
⋮⋮statusselect
⋮⋮tagstags
⋮⋮coverimage
WEBP
JPG
PNG
JPG
WEBP
Unused
Optimize on import
Applied to every new image
Max width2000px
Quality82
SharpenOn
Last import4.8 MB → 312 KB
main↑ 1 to push
Changes3
Mrust-traits/index.mdx+42-6
Arust-traits/cover.webp
M.mditoor-ideas.json+3-1
post: Rust traits for TypeScript devs
CommitCommit & push
rust-traits/index.mdx+42-6
---
title: Rust traits for TypeScript developers
-status: idea
+status: draft
+cover: ./cover.webp
tags: [rust, typescript]
---
+## Traits are interfaces with superpowers
+If you've used `implements` in TypeScript,
+you already know half of this.
One app, the whole workflow
A blog Markdown editor that covers the whole workflow.
Mditoor sits on top of the repos you already have. Think of it as a local, git-based CMS for your static site — no hosted backend, no database, no lock-in.
MDX and Markdown editor with a frontmatter form
Browse every blog post as a gallery or list, see drafts at a glance, and write in a block editor or raw Markdown. Frontmatter becomes a real form with dates, selects, tags and image pickers — no hand-editing YAML.
- Block editor with slash menu, code blocks, tables and callouts
- Custom frontmatter fields per workspace, YAML or TOML
- SEO checks before you publish
Traits are interfaces with superpowers
If you've used implements in TypeScript, you already know half of this.
trait Summary { fn summarize(&self) -> String; }
وتكتب بالعربية في نفس المقال، والاتجاه يُضبط تلقائياً.
Rust traits for TS devs
2026-09-28
draft
rusttypescript
A blog ideas board that feeds your drafts
Capture blog post ideas the moment they show up, move them from Inbox to Up next, and turn any idea into a draft post with one click. Ideas live in your repo next to the posts.
- Quick capture from anywhere with the command palette
- Star, search and reorder by stage
- Stored as
.mditoor-ideas.json, versioned with git
Inbox3
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My dotfiles, explained
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Up next2
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heap snapshots, the event listener one
SQLite is enough
Image compression before images hit your repo
Drag a screenshot in and Mditoor resizes, compresses and sharpens it on import, so your blog stays fast. The asset gallery shows every image in the workspace and flags the ones no post uses anymore.
- Max width, quality and sharpening per workspace
- Re-optimize any existing image from the gallery
- Find and clean up unused images
Optimize on import
Applied to every new image
Max width2000px
Quality82
SharpenOn
screenshot-2026-09-28.png4.8 MB → 312 KB
Multiple blogs, repos and image sources
Add a workspace per repo — your personal blog, the docs site, the company blog — and switch between them instantly. Each one picks where its images go: next to the post, a public/ folder, or any S3-compatible bucket.
- Unlimited workspaces, each with its own fields and framework preset
- S3, Cloudflare R2, MinIO and other S3-compatible storage
- Credentials encrypted on your machine, safe to commit the config
Next.js
Docusaurus
Astro
Image storage
Next to postpublic/S3 bucket
https://cdn.example.com/blog/rust-traits/cover.webp
And the rest
A desktop Markdown editor built for how developers write.
Git built in
Status, diffs, stage, commit, pull and push without leaving the post.
Command palette
Ctrl K to jump to any post, workspace or action.
RTL + LTR writing
Direction is detected per block, so Arabic and English mix cleanly in one post.
UI in 3 languages
English, Arabic and French, with a full right-to-left layout.
SEO panel
Title length, description, headings and links checked before you ship.
MDX friendly
Imports and JSX components stay intact. Your files are never rewritten behind your back.
Local-first
No account, no telemetry, no cloud sync. Only the git and uploads you trigger.
Tiny and native
Built with Tauri and Rust. A ~4 MB installer that starts instantly.
Framework presets
A Markdown blog editor for Next.js, Astro, Hugo and more.
Point Mditoor at your static site's repo and it detects the framework, finds the posts folder, and picks sensible defaults. Everything can be changed later.
| Preset | Post file | Frontmatter | Images |
|---|---|---|---|
| Next.js | <slug>/index.mdx | YAML | public/images |
| Astro | <slug>.md | YAML | next to the post |
| Hugo | <slug>/index.md | TOML | next to the post |
| Jekyll | YYYY-MM-DD-<slug>.md | YAML | assets/images |
| Docusaurus | <slug>/index.md | YAML | next to the post |
| Eleventy | <slug>.md | YAML | next to the post |
| Nuxt Content | <slug>.md | YAML | public/images |
| Generic | <slug>/index.mdx | YAML | next to the post |
Using another framework, or storing posts in a different folder structure? The Generic preset lets you set the folder, file name and frontmatter format yourself — or request a preset.
FAQ
Questions about the Markdown & MDX editor
Is Mditoor a free Markdown editor?
Yes. Mditoor is free and open source under the MIT license. There is no account, subscription or telemetry.
Can I edit MDX files with Mditoor?
Yes. Mditoor is a Markdown and MDX editor. It opens .md and .mdx files in place, keeps imports and JSX components intact, and edits frontmatter as a form.
Which blog frameworks does Mditoor support?
Mditoor has presets for Next.js, Astro, Hugo, Jekyll, Docusaurus, Eleventy and Nuxt Content, plus a generic preset for any static site that stores posts as Markdown or MDX files.
Is Mditoor a CMS?
Mditoor works like a local, git-based CMS for static sites. Your posts stay as plain Markdown files in your repository and you publish by committing and pushing from the app.
Does Mditoor compress images?
Yes. Images are resized, compressed and optionally sharpened when you add them, and the asset gallery shows unused images so you can clean them up.
Does Mditoor work offline?
Yes. Mditoor is a local-first desktop app. It only uses the network for git operations and image uploads that you trigger.
Is Mditoor available for Mac and Linux?
A Windows installer is available now. On macOS and Linux you can build Mditoor from source; packaged builds are planned.
Your blog deserves a real writing tool.
Free and open source. Windows installer available now; macOS and Linux build from source.