Read, edit, and convert Markdown right in your browser. 46 refined themes, native Word import & export — your files never leave your device.
Everything you need to read, write, and convert Markdown — one click away.
Beautiful typography for every .md file, instantly.
WYSIWYG edits saved straight to the original file.
Open .docx and convert it to editable Markdown.
One-click export to native Word, PDF, or HTML.
Clip Markdown pages from the web to your library.
Live KaTeX formulas and Mermaid diagrams built in.
Copy styled content that keeps its look in WeChat.
Six theme families for reading, writing & layout.
No servers and no account required. Everything runs in your browser; your files never leave your device.
Open real .md files through the File System Access API and save edits straight back — no copies, no sync conflicts.
Open .docx in a Word-like view without an office suite, convert to editable Markdown, or export real Word objects.
Your chosen theme's styling is inlined so pasted content keeps its look inside the WeChat editor.
Vertical rhythm, a locked measure, and tuned spacing make long reads feel effortless.
Warm, focused, and endlessly customizable — every session feels like reading on paper.
Aura, Paper, Rhythm, Archive, Dark, and Editorial families for reading, writing, and typesetting.
Edit what you see and write changes back to the original file — no duplicate copies.
Multiple roots, instant search, image preview — manage docs like a bookshelf.
Export to HTML, PDF, or native editable Word to share or archive.
Multi-tab editing, heading outline navigation, live KaTeX math and Mermaid diagrams.
Instant filtering and cross-folder drag to move files with image links auto-rewritten.
Save Markdown pages from the web to your local library for offline reading.
Open tabs and paths persist; everything returns after a reload — no re-authorizing.
Aura · Paper · Rhythm · Archive · Dark · Editorial — for reading, writing, and editorial typesetting.
Local-first: your documents stay on your device. We only send the minimum data needed to operate your account and Pro license.
Nothing is sent to a server; all processing stays on your machine.
We read and write only folders you allow, and you can revoke access anytime.
Rendering and export are double-sanitized; only local scripts ever run.
marked, Vditor, and docx ship inside the extension — no remote loads.
No complex setup — as simple as opening a book.
Authorize one or more local Markdown folders as your library roots and browse them recursively.
Choose from 46 themes across six families and switch the look in one click.
Edits save straight to the original .md, or export to HTML, PDF, or native Word.
Reading is free forever. Unlock themes, export, and editing with a one-time Pro purchase.
Limited-time free · reverts to $9.99 after launch
Sign in to claim · Lifetime updatesAnswers about privacy, features, and purchasing.
No. JingMark is local-first — every file read and write happens in your browser through the File System Access API. Nothing is uploaded. Pro status is verified by email; only your email and payment state are stored.
Free includes full Markdown reading, 6 curated themes, and single-root browsing. Pro unlocks all 46 themes, native Word/PDF export, Word .docx import to editable Markdown, WYSIWYG editing with write-back, multi-root management, split-preview, saving web docs, and more. Reading stays free forever.
Any Chromium-based browser (Chrome, Edge, Brave, Arc, and so on) with File System Access API support (Chrome 86+).
Click 'Upgrade' in the extension and sign in with your email. Your Pro status syncs automatically.
Pro is tied to your email account and works on up to 3 devices. On a 4th device you will not get Pro — you are not signed out, and your other devices are unaffected. Remove an unused device in Account panel → Authorized devices to free the slot.
Yes. JingMark renders KaTeX math formulas and Mermaid diagrams natively — just write standard LaTeX or Mermaid syntax in your Markdown.
The interface is available in 13 languages: English, 中文, 繁體中文, 日本語, 한국어, Français, Deutsch, Español, Português, Русский, Tiếng Việt, Svenska, and العربية (RTL).
Yes. Split-preview shows your content at narrow (680px), medium (820px), or wide (960px) widths, with a fullscreen mode for distraction-free proofreading.
No account, no server — install and feel the paper-book calm right away.
Now available on Chrome and Edge — install today. Brave, Arc, and Firefox coming soon.
