Editing theme code in Shopify allows store owners and developers to customize the storefront beyond the standard theme editor.
This guide explains how to edit theme code in Shopify safely using the built-in code editor and outlines best practices to avoid errors.
Important Notes Before Editing Theme Code
Before you edit theme code in Shopify, review the following points:
- Code changes can be removed if they are incompatible with theme updates.
- Only edit theme code if the change cannot be done using apps or the theme editor.
- You must purchase a paid theme before editing its code.
- Basic knowledge of HTML, CSS, and Liquid is required.
- Always duplicate your theme to create a backup before making changes.
What Is the Shopify Code Editor
The Shopify code editor displays all theme files in a directory structure. Theme files may include:
- Liquid templates
- HTML
- CSS
- JavaScript
- JSON
You can open, view, and edit multiple files at the same time.
How to Edit Theme Code in Shopify
Edit Theme Code on Desktop
- From your Shopify admin, go to Online Store > Themes.
- Click the Horizontal menu next to the theme.
- Select Edit code.
Edit Theme Code on Mobile
- Open the Shopify app.
- Tap the Menu icon.
- Go to Online Store > Manage themes.
- Tap the Horizontal menu.
- Select Edit code.
Saving Theme Code Changes
- Unsaved files display a dot next to the tab name.
- Click Save to apply changes.
- Keyboard shortcuts:
- Mac: ⌘ + S
- Windows: Ctrl + S
Formatting Theme Code
Proper formatting improves readability and reduces errors.
Format Code Using the Command Palette
- Open Online Store > Themes > Edit code.
- Open the file you want to format.
- Press:
- Mac: ⌘ + Shift + P
- Windows: Ctrl + Shift + P
- Select Format document.
- Save the file.
Tracking and Reverting File Changes
The Timeline view lets you review and restore previous versions of a file.
Restore a Previous Version
- Open the file in the code editor.
- Open Timeline view.
- Select a previous entry to compare changes.
- Right-click and choose Restore contents.
- Confirm by clicking Restore.
Using Theme Check
Theme Check helps prevent errors while editing.
What Theme Check Detects
- Parser-blocking scripts
- Missing templates
- Translation inconsistencies
Errors are highlighted with a red underline. Hover over the line to view details.
Searching and Replacing Code
Search Within a File
- Open the file.
- Press:
- Mac: ⌘ + F
- Windows: Ctrl + F
- Enter the search term.
- Use Replace or Replace all if needed.
Search Across All Theme Files
- Click the Search icon in the sidebar.
- Enter the search term.
- Review results across all files.
Advanced options include:
- Match case
- Match whole word
- Regular expressions (advanced use only)
Managing Theme Files
Open a Theme File
- Go to Edit code.
- Press:
- Mac: ⌘ + P
- Windows: Ctrl + P
- Enter the file name or select from recent files.
Add a New Theme File
- Right-click a folder.
- Select New file.
- Enter a valid file name and extension (for example, .liquid, .css).
- Press Enter.
Upload a New Asset
- Right-click the assets folder.
- Click Upload.
- Select the file and confirm.
Rename a Theme File
- Right-click the file.
- Select Rename.
- Enter a valid name and press Enter.
Delete a Theme File
Caution: Deleted files cannot be recovered.
- Duplicate the theme first.
- Right-click the file.
- Select Delete permanently.
- Click Delete.
FAQs
Is it safe to edit theme code in Shopify?
Yes, if you create a backup and understand the code you are editing.
Can I edit theme code without purchasing a theme?
No. Paid themes must be purchased before code editing is enabled.
What happens if I make a mistake?
You can restore previous versions using the Timeline view.
Do theme updates keep custom code?
Not always. Incompatible changes may be removed after updates.
Conclusion
Understanding how to edit theme code in Shopify gives you greater control over your store’s design and functionality. By following best practices—creating backups, saving changes carefully, and using built-in tools like Theme Check—you can customize your Shopify theme safely and effectively.
If you lack technical experience, consider working with a Shopify Partner to avoid errors and maintain store stability.Check out more premium Shopify Themes built and powered by ThimPress!
