PIX ‑ Image Optimizer vs Private File Reducer
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
- Only PIX lists a free plan. Paid plans start at $7.99/month for PIX and $9.99/month for Private File Reducer.
- PIX lists 4 features Private File Reducer’s listing doesn’t mention, including Alt text, File upload, Quality control.
Head to head
Image Optimizer & page speed optimizer
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
FREE
- · 24-hour support
- · Images Backup
- · Manual optimization
beginner
- · 10000 FREE images every month
- · 24-hour support
- · 30 day image backup
- · Automatic optimizations
- · Manual optimization
advanced
- · 24-hour support
- · 30 day image backup
- · 30000 FREE images every month
- · Automatic optimizations
- · Manual optimization
yearly
- · 24-hour support
- · 30 day image backup
- · 50000 FREE images every month
- · Automatic optimizations
- · Manual optimization
Pro
- · All quality levels including aggressive
- · Auto SEO alt text from product titles
- · Bulk optimize your whole catalog
- · Original backups with 1-click restore
- · Unlimited image optimizations
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureReduce the Weight and Not the Quality SEO - image optimizer uses a smart combination of the best optimization and lossy compression algorithms to shrink JPEG, GIF and PNG images to the minimum possible size while keeping the required level of quality.
Private File Reducer helps merchants reduce the size of product images directly in their browser. Images are compressed locally and uploaded back to Shopify only when the optimized version is smaller. The app preserves image dimensions and format, supports bulk optimization, and never sends images to external servers for processing, giving merchants a simple way to improve store performance while keeping full…
- With lighter images you will gain in speed, user experience and even in SEO.
- Stop fine-tuning your images, they are now automatically optimized.
- Reduce the weight of your images without sacrificing their quality.
- Compress multiple product images in a single operation.
- Process images locally in the browser without sending them to external servers.
- Replace product images only when a smaller optimized version is produced.
- Preserve image dimensions and format during optimization.
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 |  PIX |  Private File Reducer |
|---|---|---|
| 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 | PIX | Private File Reducer |
|---|---|---|
| App Store rating | 3.7 ★ | Not published |
| App Store reviews | 85 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | PIX | Private File Reducer |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $7.99/month(ahead) | $9.99/month |
| Longest free trial | 3 days | 7 days |
| Plans listed | 4 | 1 |
Listing
| Measure | PIX | Private File Reducer |
|---|---|---|
| Shopify category rank | #140(ahead) | #389 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 15, 2021 | Jul 20, 2026 |
| Languages | 1 | 1 |
| Developer | ImpactPixel | Sr Nash |
FAQ
PIX and Private File Reducer: common questions
- Is PIX or Private File Reducer cheaper?
- Only PIX lists a free plan. Paid plans start at $7.99/month for PIX and $9.99/month for Private File Reducer. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- PIX lists 4 the others don’t mention, such as Alt text, File upload, Quality control, Resizing. Private File Reducer lists 1 the others don’t mention, such as Format conversion. 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.