Download 4567

For individuals or teams. One person, small team, studios or agency. Unlimited sites included.

$70

per year

Preorder

For individuals or teams. Unlimited sites included.

$35

$70

one-time payment

In final testing. Expected late August 2026.
Preorder closes when Windows ships.

Preorder

For individuals or teams. Unlimited sites included.

$35

$70

one-time payment

Expected December 2026.
Preorder closes when macOS ships.

Volume discounts for business

Get more seats = lower price per seat

Seats	Price per Seat	Annual Cost	You Save
1	$70	$70	—
2–5	$42	$84–$210	Save $28/seat
6–14	$35	$210–$490	Save $35/seat
15–50	$28	$420–$1,400	Save $42/seat
51+	$21	$1,071+	Save $49/seat

Pick a folder, get a website. That's it. No setup, no config, no learning curve.
Runs on your computer. Not in the cloud. Your files, your machine, your control.
Works offline. No internet required. Your data never leaves your computer.
Live preview. Edit a file, see it change instantly in the browser.
Export when ready. Click export, get a folder of HTML files. Upload anywhere.
Unlimited websites. Make one site or a hundred. No caps, no restrictions.
Supports all your files. Images, videos, PDFs, code, text — if it's in the folder, 4567 handles it.
Works on all platforms. Linux (AMD64 and ARM64) available now. Windows and macOS in preorder.

Themes. Five built-in themes (default, brutalist, signal, magazine, swiss). Switch anytime.
Custom colors per page. Every project can have its own look. Set background and text colors in the frontmatter.
Dynamic filtering. Auto-generated pages by year, category, client, tags, role, services.
Nested folders. Unlimited depth. Your folder structure becomes your site structure.
Video support. Native HTML5 player for MP4, MOV, AVI, WebM, and more.
Audio support. MP3, WAV, FLAC, OGG — all playable directly on the page.
External links. Link projects to live sites or app stores instead of a project page.
Featured projects. Pin your best work to the top.
Thumbnail control. Show multiple thumbnails per project, or hide them completely.
Custom CSS. Add your own styles if the built-in themes aren't enough.
SEO built in. Automatic sitemap.xml, robots.txt, meta tags, Open Graph, Twitter Cards.

LLM-friendly. Designed to work seamlessly with AI assistants. The folder structure is dead simple, so Claude or any model can read and edit your site content.
Built-in AI skill file. Comes with a skill file that teaches AI assistants how to use 4567 effectively. Point an AI at your site folder and it instantly understands the structure.
Markdown + frontmatter. Every page is a markdown file with YAML frontmatter. Full control over metadata, titles, descriptions, keywords, and custom fields.
Custom HTML support. Embed HTML directly in your markdown when you need something beyond what markdown can do.
File attachments. Any file type appears as a downloadable link with automatic type detection.
Publication dates. Add published_at and updated_at fields for proper article dating and SEO.
Local activity tracking. See what you changed and when.
Live reload via WebSocket. Changes appear instantly without refreshing the browser.
Analytics injection. Add Cloudflare Web Analytics or Google Analytics during export.
Per-seat team licensing. Scale your team without breaking the bank. Volume discounts kick in automatically.
100% private. No trackers, no analytics by default, no phone home. Your data stays on your machine.
Once you buy, it's yours. Annual license + 1 year of updates included.