Mercari Image Privacy
& Compliance Audit
We audited 12 public Mercari listings and found that 100% contained GPS coordinates in their EXIF metadata — often pinpointing the seller's home address. 100% exposed camera make and model, enabling device fingerprinting.
Audit results
Figures from our sample of 12 public listings on Mercari.
Redacted GPS examples
GPS coordinates found in Mercari listing images. Coordinates rounded to ~1km grid. Listing URLs, usernames, and exact addresses removed.
Mercari vs Filtrate's pipeline
What changes when you route Mercari (or any marketplace) images through
Filtrate's POST /v1/process before storage.
| Check | Mercari (current) | With Filtrate |
|---|---|---|
| GPS coordinates stripped | ✗ 100% of listings expose GPS | ✓ 100% stripped on every image |
| Camera make/model stripped | ✗ 100% expose device info | ✓ All EXIF metadata removed |
| Image compression | ✗ 71% average headroom left | ✓ Converted to WebP at optimal quality |
| Compliance verdict | ✗ No automated moderation | ✓ AI content verdict per image |
What you can do about it
Whether you're a Mercari seller or building a marketplace, you have options.
Audit your Mercari listings →
Paste any listing URL for an instant GPS check, camera fingerprint scan, and compliance verdict — no signup needed.
Fix it for every image →
One POST /v1/process call strips EXIF, compresses to WebP,
and returns a compliance verdict. $0.002/image.
Full 2026 privacy report →
Cross-marketplace aggregate stats, methodology, and GPS examples from our audit of 6 major resale platforms.