Filestack offers an end-to-end file upload, transform, and delivery API — featureful, but priced for enterprise customers with per-upload, per-transform, and per-stored-file dimensions. swiftimg is leaner: image and GIF hosting, on-the-fly resize, signed URLs, and global delivery for a flat plan.
swiftimg vs Filestack at a glance
| Feature | swiftimg | Filestack |
|---|---|---|
| Focus | Image / GIF hosting + CDN | General file pipeline + AI |
| Pricing model | Flat plan + overage | Per-upload + per-transform + storage |
| Entry paid plan | $3/mo (Pro) | Contact sales |
| On-the-fly resize / format | Yes (signed) | Yes |
| Free, no-account uploads | Yes | No |
| Custom domain (white-label) | From $9/mo | Higher tiers |
List prices as of 2026 for context — directional, not apples-to-apples. Check each provider for current pricing.
When Filestack is the better choice
Filestack if you need a full file pipeline including PDF/document handling, sophisticated workflows, OCR, and virus scanning beyond images.
swiftimg vs Filestack — FAQ
Is swiftimg a drop-in Filestack replacement?
For image and GIF hosting with transforms, yes. If you rely on Filestack's PDF/document handling or AI tagging, those aren't in scope for swiftimg.
What's the rough cost difference?
Filestack's plans start in the low hundreds per month; swiftimg's Developer plan ($9/mo) covers the API, transforms, signed URLs, and a custom domain.
Can I migrate existing uploads?
Yes — fetch each file from its Filestack URL and POST it to /v1/images. A short migration script handles the rewrite.
Ready to switch from Filestack?
Start free, then unlock the full API, transforms, signed URLs, and a custom domain on the Developer plan.