themesweep.com

What It Is

ThemeSweep is a Shopify theme dead-code cleanup tool from JMS Dev Lab. Its core purpose is to identify and remove snippets, scripts, styles, Liquid blocks, asset references, and some orphaned metafields left behind in themes by uninstalled Shopify apps. It is not a general website-building or logistics tool; instead, it focuses on the niche problem of Shopify themes becoming slower after apps are uninstalled and leftover code being difficult to clean up.

Core Features and Safety

The product connects to a Shopify store and reads theme files, then cross-checks them against the currently installed apps and its maintained library of 200+ app code signatures. It reports dead code blocks, asset weight, and confidence levels. The copy emphasizes that when something is uncertain, ThemeSweep tends to recommend human review rather than automatic deletion. Before cleanup, it duplicates the live theme, allows previewing changes in an unpublished theme, and supports rollback for individual code blocks or the entire theme. The first scan is read-only, reducing the risk of accidental changes to the live store. On the performance side, it provides before-and-after Lighthouse/Core Web Vitals comparisons, separate mobile and desktop views, and KB saved statistics, helping merchants quantify optimization results.

Pricing and Fees

Pricing is mainly based on a free scan plus paid cleanup subscriptions: Free Scan is $0 and supports unlimited diagnostics for 1 store but does not allow cleanup; Cleanup is $9.99/month and supports 1 store, unlimited cleanups, weekly rescans, and uninstall reminders; Agency is $39.99/month and supports up to 10 stores, a multi-store dashboard, white-label reports, and priority support. Annual billing saves 2 months, and prorated refunds are available for unused time. The text also mentions another set of plan names—Starter/Pro/Agency—so you should double-check the actual plan details before purchasing.

Pros and Cons

Its advantages are a clear focus, a low-friction free diagnostic option, and safeguards such as backups, previews, rollback, and block-by-block confirmation, making it suitable for non-technical merchants dealing with leftover Shopify app code. The downsides are that its scope is very narrow and limited to Shopify; cleanup requires payment; and detection quality depends on its app signature database, meaning uncovered code or low-confidence findings may still require manual judgment. The text also does not disclose payment methods, supported languages, Shopify App Store status, or customer support SLA.

Who It’s For and Access from China

ThemeSweep is suitable for Shopify merchants who frequently install and uninstall apps, have slower theme loading, or care about Core Web Vitals. It is also useful for agencies maintaining multiple client stores and producing white-label reports. The text does not specify access conditions from China, and payment methods are not disclosed. If network access or payment is restricted, alternatives include manual Shopify theme audits, developer optimization services, or manual cleanup guided by Lighthouse/PageSpeed reports.