LH Photos to WebP vs OptiMark ‑ Image Master
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- LH Photos to WebP lists 5 features OptiMark’s listing doesn’t mention, including Alt text, Data sync, File names.
Head to head
Advanced Plan
Free
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSave time when preparing product and content images for your store. Photos to WebP helps merchants upload multiple images, turn them to WebP, and send them directly to Shopify Files from one simple workflow. The app is designed for stores that want a faster way to optimize image handling without manually converting files one by one. Upload up to 20 images at a time, including PNG, JPG, BMP, AVIF formats.
Optimark - Image Master helps Shopify store owners efficiently manage their images with ease. It offers watermarking for brand protection, image compression for faster loading, resizing for platform-specific needs, and conversion to WebP format for performance. By optimizing images, merchants can enhance their site speed, improve SEO, and provide a seamless customer experience, all while saving time and effort.
- Bulk upload up to 20 images at once.
- Turn PNG, JPG, BMP, AVIF to WebP.
- Upload converted files directly to Shopify Files.
- Map the image to the specific product
- Protect your visuals with custom watermarks to maintain brand identity.
- Safeguard your images with unlimited backups, ensuring you never lose them.
- Compress images without losing quality, enhancing site speed and performance.
- Quickly resize your images to fit any platform or device requirement.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  LH Photos to WebP |  OptiMark |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | LH Photos to WebP | OptiMark |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | LH Photos to WebP | OptiMark |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $29.90/month | No monthly plan listed |
| Longest free trial | 1 days | Not listed |
| Plans listed | 1 | 1 |
Listing
| Measure | LH Photos to WebP | OptiMark |
|---|---|---|
| Shopify category rank | #377 | #289(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 2, 2026 | Oct 3, 2024 |
| Languages | 1 | 1 |
| Developer | LH Consultant Co. | MDSKRUMI |
FAQ
LH Photos to WebP and OptiMark: common questions
- What features does each app list that the other doesn’t?
- LH Photos to WebP lists 5 the others don’t mention, such as Alt text, Data sync, File names, File upload. OptiMark lists 5 the others don’t mention, such as Backup, Quality control, Resizing, SEO. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.