Smoothgrain

Tools for the modern web

Precision-crafted desktop apps for developers, designers, and makers. Each tool does one thing exceptionally well.

The Smoothgrain Suite

Kerf

HTML Editor

Bidirectional code-preview sync for static sites. Click any element to jump to source. CSS hot-swaps without reload.

Coming Soon

Sage

Program Management

Plan, track, and ship projects with clarity. Designed for teams that value focus over feature bloat.

Coming Soon

Notch

Personal Finance

Bills, cash flow, and forecasting. See where your money goes and what's coming next, with precision.

Coming Soon
Kerf Pricing

Simple pricing, powerful editing

Start free with the full bidirectional editing experience. Upgrade when you need framework tooling, AI, and deploy.

Monthly Annual
Free
Kerf
Everything you need to edit static sites with code-preview sync.
$0 forever
Download Free
  • Core Editor
  • Monaco editor (VS Code engine)
  • Bidirectional click-to-source sync
  • CSS hot-swap without page reload
  • Live iframe preview
  • HTML, CSS & JS diagnostics
  • File tree & tabbed editing
  • Auto-save with external file watching
  • Limitations
  • No framework tooling
  • No AI assistance
  • No deploy integrations
Pro
Kerf Pro
Framework-aware editing, AI assistance, and one-click deploy.
$12 / month
Start 14-Day Free Trial
  • Everything in Free, plus
  • Tailwind CSS autocomplete & previews
  • Bootstrap component awareness
  • AI assistant — explain, refactor, generate
  • One-click deploy to Netlify, Vercel, GitHub Pages
  • Accessibility audit panel (WCAG 2.1 AA)
  • Performance hints & Lighthouse scores
  • Multi-project workspaces
  • Snippet library & user components
  • Advanced find-in-files & link checker
  • Priority updates
Lifetime
Kerf Pro
One-time purchase. All Pro features, forever. One year of updates included.
$199 one-time
Includes 1 year of updates. Renew at $49/year.
Buy Lifetime License
  • Identical to Pro
  • All Pro features included
  • No subscription — pay once
  • 1 year of updates & new features
  • Optional $49/yr renewal for continued updates
  • Software works forever, even without renewal

One studio. Three tools.

Each app shares the Smoothgrain design language — precision, craft, no bloat.

Kerf
Sage
Notch