Breaking: 2MB → 16KB Limit
Shopify Metafield Size Checker& Complete Migration Guide
Instantly check if your metafields exceed the new 16KB limit. Get your migration code, size calculations, and step-by-step instructions to fix before April 2026.
100% FreeNo SignupReady-to-Use Code
Metafield Size Checker
📍 Where to find your metafield JSON:
- Shopify Admin: Settings > Metafields > Select resource > Click metafield > Copy "Value" JSON
- Bulk Export: Shopify GraphiQL App > Query metafields > Copy JSON response
- Admin API: Use REST API to GET /products/{id}/metafields.json
Paste your metafield JSON data below to instantly see if it exceeds the 16KB limit after April 2026.
Audit Scripts for Your Store
Critical Timeline
February 19, 2026
Shopify announces the change
April 2026 — API 2026-04 Release
16KB limit enforced. Writes to large metafields will fail.
After April 2026
Large metafields become read-only until migrated.
You have approximately 40-60 days to audit and migrate.
16KB
New Limit
2MB
Old Limit
99.2%
Reduction
April
Deadline
Frequently Asked Questions
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I'm Karan — a Top Rated Plus Shopify Expert. I build custom themes, apps, and Liquid functionality from scratch, and fix the things tools can't.
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