Read and write Markdown like turning the pages of a paper book — warm themes, offline by design, your files never leave your device.
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.
Export genuine, editable Word documents — real Word objects, not flattened pasted HTML.
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 typesetting.
Local-first and upload-free: we only touch folders you explicitly authorize, sanitize every render with DOMPurify, bundle third-party libraries locally, and ask for the minimum permissions.
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 early bird · reverts to $9.99
One-time purchase · 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, 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, sign in with your email, and pay through Creem. Your Pro status syncs automatically. In regions without Creem, an activation key will be available soon.
Pro is tied to your email account and works across devices. Activation keys are issued per device for offline activation — sign in on any computer to access Pro features.
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. The split-preview mode shows your content in narrow (680px), medium (820px), or wide (960px) widths, with a fullscreen option 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.
