An OS 9 browser that loads the modern web.

MacSurf is a native web browser for Classic Mac OS 9 — real CSS3, modern JavaScript (ES2023 via macQJS), and native TLS 1.3, running on a 25-year-old Mac.

Get MacSurf ↗ Source on GitHub →

MacSurf rendering CSS radial gradients on Mac OS 9

// get it

Get MacSurf.

Current release: MacSurf 2.0 — fixes the blank-screen bug on high-RAM Macs, loads cross-signed HTTPS sites like macintoshgarden.org, cuts heavy forums from minutes to seconds, and adds a type-ahead address bar with real History and Bookmark managers. Still native ES2023 JavaScript (macQJS) and TLS 1.3, on a 25-year-old Mac. Downloads, release notes, and full source live on GitHub.

Releases & downloads ↗ Source on GitHub ↗

Runs on a Power Macintosh G3 / G4 under Mac OS 9.1–9.2.2. Expand the StuffIt archive with StuffIt Expander and double-click to launch.

On a Mac OS 9 machine itself? GitHub doesn't render on-device yet — grab new builds from the plain HTTP edition of this site instead.

MacSurf is a full-time, one-person project. If it brought your old Mac back to the web, you can help keep it going — Ko-Fi · Patreon.