HTML Editor & Viewer: Codex AI

Write HTML, CSS & JavaScript, then preview and test instantly — right on your device. A fast, clean editor for coding, learning, and building on the go.

Codex - HTML Editor Code, Preview & Test

Write HTML, CSS, and JavaScript and see your work come to life — right on your iPhone and iPad. Codex is a fast, clean, native code editor built for learning web development and building projects on the go. No account, no clutter — just open and start coding.

WRITE CODE FAST

Full editor for HTML, CSS & JavaScript Syntax highlighting with light & dark themes Line numbers and a distraction-free, native interface INSTANT PREVIEW & TEST

Live preview your pages instantly on device Test your HTML, CSS, and JavaScript without leaving the app See changes as you build START FROM TEMPLATES

Kick off with ready-made templates (Blank, Landing page, and more) Save time and learn from clean, working examples ORGANIZE YOUR WORK

Manage multiple projects Everything stored locally — your code stays private on your device REMOTE ACCESS (SSH/SFTP)

Connect to your own servers to work with remote files Credentials stored securely in the device Keychain PRIVATE BY DESIGN

No sign-up required We never upload or read your code CODEX PRO Unlock the full experience with Pro:

Unlimited projects All premium templates SSH / SFTP remote access Pro is available as a monthly or yearly subscription, or a one-time Lifetime purchase. Try Codex free, upgrade anytime.

Whether you're learning to code, prototyping an idea, or editing files on the go, Codex - HTML Editor gives you a powerful web editor in your pocket.

Download Codex today and start building.

Privacy Plicy: https://sites.google.com/view/htmleditor-privacypolicy/home Terms of Use: https://sites.google.com/view/html-editor-terms-of-use/home