WEBP CONVERTER vs WebPify SEO
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 28, 2026 for WEBP CONVERTER, Oct 24, 2026 for WebPify SEO.
The short answer
- On the Shopify App Store: WEBP CONVERTER 5.0 from 10 reviews and WebPify SEO 2.8 from 2 reviews.
- Both list a free plan. Paid plans start at $4.99/month for WEBP CONVERTER and $20/month for WebPify SEO.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
FREE
- · 10 AI alt texts / month
- · Bulk convert to WebP
- · Easy Rollback
- · First 100 image conversions free
- · Originals kept 30 days
Starter
- · 5,000 conversions / month
- · 500 AI alt texts / month
- · AVIF output
- · Auto-convert new uploads
- · Originals kept 90 days
Growth
- · 10,000 conversions / month
- · 2,000 AI alt texts / month
- · CSV/Excel alt text import
- · Originals kept 90 days
Scale
- · Originals kept 12 months
- · Priority support
- · Unlimited AI alt text
- · Unlimited conversions
Free
- · Backup & restore included
- · Every new store gets 50 free credits
- · No payment required.
- · WebP + AVIF conversion
Growth
- · Backup & restore included
- · Gets 500 credits per month
- · WebP + AVIF conversion
Scale
- · Backup & restore included
- · Gets 1500 credits per month
- · WebP + AVIF conversion
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every feature7SEA WebP Converter optimizes images across your whole store. Product, collection and blog images become WebP or AVIF, with variant images and gallery order kept. Files-section images are compressed in their original format, so theme banners, metafields and metaobjects keep working. Every original is backed up for one-click rollback, and a live dashboard shows what you saved. Turn on auto-convert for new uploads.
WebPify SEO helps merchants speed up stores by converting product and content images to modern formats (WebP/AVIF), reducing file size and bandwidth without hurting quality. It supports one-click and bulk optimization, auto-optimization on product updates, safe restore from backups, and AI-generated alt text for accessibility and image SEO.
- Bulk change products, collections, blogs, and files to WebP or AVIF in one clic
- Original image backup and one-click rollback for every conversion
- Live dashboard shows total size saved, estimated reduction, and speed impac
- Auto-Optimise product images to WebP/AVIF on product updates.
- Bulk Optimise product and file images in a few clicks
- Generate AI alt text for accessibility and image SEO with Open AI API
- Core Web Vitals checks with PageSpeed data and performance score tracking.
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 |  WEBP CONVERTER |  WebPify SEO |
|---|---|---|
| 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 | WEBP CONVERTER | WebPify SEO |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 2.8 ★ |
| App Store reviews | 10(ahead) | 2 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | WEBP CONVERTER | WebPify SEO |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $4.99/month(ahead) | $20/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | 4 | 3 |
Listing
| Measure | WEBP CONVERTER | WebPify SEO |
|---|---|---|
| Shopify category rank | #16(ahead) | #176 |
| Shopify App Charts | #2 on Pricing moves in Site optimization - Other | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jul 8, 2026 | May 8, 2026 |
| Languages | 1 | 3 |
| Developer | 7SEA MARKETING | Sterlingweb Growth Labs |
FAQ
WEBP CONVERTER and WebPify SEO: common questions
- Is WEBP CONVERTER or WebPify SEO cheaper?
- Both list a free plan. Paid plans start at $4.99/month for WEBP CONVERTER and $20/month for WebPify SEO. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, WEBP CONVERTER or WebPify SEO?
- On the Shopify App Store: WEBP CONVERTER 5.0 from 10 reviews and WebPify SEO 2.8 from 2 reviews.
- 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 28, 2026 for WEBP CONVERTER, Oct 24, 2026 for WebPify SEO; 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 28, 2026 for WEBP CONVERTER, Oct 24, 2026 for WebPify SEO. 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.