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Squarespace

How to enable Developer Mode on Squarespace, Fix Missing Issue 2026

By Impran M N

Developer Mode unlocks full access to a Squarespace site's template code, letting you edit files directly and connect with Git for advanced customization. This guide covers where to find the toggle, what plan you need, and what to expect once it's enabled.

01Confirm your plan supports Developer Mode

Your site needs to be on a Business or Commerce plan — Developer Mode isn't available on the Personal plan, so upgrade first if the toggle is missing.

02Log in and open Settings

Sign in to Squarespace, select your site, and from the Home menu click Settings.

03Navigate to Developer Mode

Go to Advanced, then Developer Mode, where you'll find the toggle to turn it on.

04Acknowledge the warnings

Turning on Developer Mode is irreversible for that site instance and stops your template from receiving automatic updates from Squarespace, so confirm you understand before proceeding.

05Start working with your template files

Once enabled, you can access the template repository directly, optionally connecting with Git to push and pull changes from tools like VS Code.

FAQ

Frequently asked questions

Why don't I see the Developer Mode toggle?

Developer Mode is only available on Business or Commerce plans, so you may need to upgrade if you're on the Personal plan.

Is turning on Developer Mode reversible?

No, it's described as an irreversible action, and your template stops receiving automatic Squarespace updates once enabled.

What can I do once Developer Mode is on?

You can edit template files directly, integrate custom features and scripts, and go beyond the built-in visual editor.

Should I back up my site before using Developer Mode?

Yes, since changes made in Developer Mode can affect site stability, always back up and test thoroughly before publishing.

Watch the full walkthrough

The same steps, demonstrated on screen from start to finish.