Build your Markdown Editor with AI in under 5 minutes

Build a StackEdit / Bear / Obsidian-style markdown workspace with live preview, multi-document sidebar, autosave to local storage, formatting toolbar, keyboard shortcuts, and .md export — generated from a single prompt.

How it works

Step 1

Describe your idea

Write a plain-text prompt describing what you want.

Step 2

AI builds it

FloopFloop generates production-ready code instantly.

Step 3

Deploy & go live

Your project is hosted on its own subdomain in minutes.

Why build with AI instead of hiring a developer?

	FloopFloop	Traditional developer
Time to launch	Under 5 minutes	2-8 weeks
Cost	From $0	$5,000 - $50,000+
Maintenance	Included	Ongoing retainer

What is a markdown editor?

Markdown editors are the writing tool of choice for developers, technical writers, and the growing slice of knowledge workers who got tired of fighting WYSIWYG. Bear, iA Writer, Obsidian, and StackEdit each tackle a different shape of the problem — Bear is design-led, Obsidian is graph-native and plugin-heavy, iA Writer is opinionated about distraction-free focus, StackEdit is the workhorse for web editing. Building your own makes sense when none of the off-the-shelf options match how you actually want to write — split-pane vs. preview-toggle, multi-doc sidebar vs. file-tree, vim keybindings vs. native, cloud sync vs. local-first. The editor is small in scope but large in personal preference, which is why so many writers eventually build their own.

Common features

Split-pane editor with live preview
Multi-document sidebar with quick switching
Autosave with version history
Formatting toolbar plus full keyboard-shortcut support
Code block syntax highlighting in preview
Image upload with paste-from-clipboard
Table editor that survives normal markdown round-trip
Front-matter editor for static-site-generator integration
Export to .md / PDF / HTML
Optional vim, emacs, or VS Code keybindings

Real-world examples

Personal writing app

Distraction-free markdown editor at your own subdomain. Multi-doc sidebar, autosave, dark mode, vim keybindings.

Technical docs editor

Editor tuned for writing docs that ship to a static site. Front-matter editor, code-block highlighting, image upload to the docs site's CDN.

Team writing space

Shared markdown editor with per-doc URLs, comment threads, and Git-backed version history. Used for spec writing.

Why FloopFloop fits markdown editor projects

The best writing tools have always been the ones the writer built for themselves or paid for from a small developer. The market is full of $5/month subscriptions for what is fundamentally a textarea with autosave. FloopFloop lets you ship a markdown editor that does exactly what you want it to do — split-pane or toggle, vim or default, local-first or synced — and stays that way. The writing experience is yours; the data is yours; the export format is whatever you actually use downstream.

Try these prompts

Copy any prompt below and paste it into FloopFloop to get started.

Build a StackEdit-style markdown editor. Split-pane layout with a monospace editor on the left and a live HTML preview on the right. Toolbar with bold / italic / heading / link / list / quote / code buttons + ⌘B / ⌘I / ⌘K shortcuts. Multi-doc sidebar where the title follows the first heading the user types. Autosave to localStorage every 400ms. Export current doc as a slugified .md file.

Create a distraction-free writer's workspace like IA Writer. Single-pane focus mode, large monospace text, sentence-level focus mode that dims everything except the current sentence, dark theme by default, word/character/reading-time counter pinned to the footer, no UI chrome at all when typing.

Design a personal-wiki note app like Obsidian. Multi-document sidebar with nested folders, [[wiki-link]] support that turns into a real link when the target note exists (creates a new note on click otherwise), backlink panel showing every note that mentions the current one, full-text search across all notes.

Build a meeting-notes app for fast capture during calls. Single-pane editor, autocomplete for @mentions of attendees, hashtag tags that the sidebar groups notes by, /TODO / /DECISION / /BLOCKER slash-commands that insert a styled callout block, end-of-meeting 'summarise' button that calls FloopAI to extract action items.

Frequently asked questions

How does this compare to StackEdit / Bear / Typora / Obsidian?

StackEdit is the closest functional match — both run in the browser with localStorage and a side-by-side preview. The difference is ownership: this is YOUR app on YOUR subdomain that you can refine indefinitely. Bear / Typora / Obsidian are downloadable native apps with their own file formats; FloopFloop generates a web app you can extend with whatever feature you describe next ('add tag filtering', 'add a daily-note auto-create', etc.) without touching code.

Where are my notes stored?

The default template uses browser localStorage so the editor works instantly with no signup. Notes live on whatever device you're typing on and don't sync across devices. Refine with 'add a Postgres backend so notes sync across devices via a login' to move to server storage — the codegen scaffolds the schema, the API routes, and the sync logic in one round. The scanner blocks every external database (Supabase / Firebase / MongoDB) so the data stays on your own per-tenant Postgres schema.

Is the rendered preview safe from XSS?

The default template renders markdown through `marked` and injects the result with dangerouslySetInnerHTML. That's safe for a single-user localStorage editor because the markdown source IS the user — you can't XSS yourself. The src/lib/markdown.ts file explicitly warns operators to add DOMPurify before extending to multi-user / shared notes (anywhere a hostile collaborator's markdown could reach another user's browser).

What markdown flavor is supported?

GitHub Flavored Markdown (GFM): tables, autolinks, line breaks, fenced code blocks, lists, blockquotes, strikethrough, task lists, headings, images. Refine with 'add KaTeX rendering for $...$ math expressions' or 'add Mermaid rendering for ```mermaid code blocks' to extend — the codegen wires the parser and the preview CSS in one round.

Can I share a note with someone?

Not in the localStorage default — notes are per-device. For sharing refine with 'add a per-note share URL that anyone with the link can read; show a read-only rendered view at /share/[id]'. The codegen generates the route, the per-note share token, and the read-only renderer. Public-write sharing (anyone with the link can edit) follows the same pattern with a separate token tier.

Does it work offline?

Reads/writes work offline because everything is localStorage — there's no network call after the initial page load. Refine with 'add a service-worker that caches the app shell so I can open the page with no connection at all' to add full PWA offline support; the codegen scaffolds the manifest and the cache-first service worker in one round.

Can I export all my notes at once?

The default exports the active document as a single .md file. For bulk export refine with 'add an Export All button that bundles every note as a .zip of .md files'. The codegen wires the JSZip dependency and the download flow. Markdown-to-PDF / -DOCX is the same shape (`add an Export as PDF using @react-pdf/renderer`).

Related builders

Explore more categories

Ready to build?

Start building your project now — no coding required.

Generate this for me