PicaJet
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Uploadcare, Kontainer, imgix, Pixelboxx

Side by side on what we have verified on each vendor’s own pages. Where a fact was not checked, the table says so rather than leaving a blank that reads as “no”.

What decides it · Runs on your own servers

If the files genuinely cannot leave your infrastructure, this is not a close race — the platforms marked No below should not be on the call at all.

Uploadcare

No

Kontainer

No

imgix

No

Pixelboxx

Yes

Everything else

Uploadcare
Kontainer
imgix
Pixelboxx
Verdict
A developer-first file upload and CDN/media-processing API for apps, pitched as a lighter, faster-to-integrate alternative to Cloudinary for teams that don't need its full DAM/video/AI stack.
A Nordic/European DAM, with optional PIM, aimed at mid-market brand, retail and ecommerce teams wanting fast onboarding without heavy IT involvement, backed by a 30-day no-commitment trial.
An image and video API for real-time resizing, compression, and format conversion via URL parameters, built for developers at ecommerce, media, and agency teams.
An on-prem, cloud or hybrid DAM aimed at likely DACH-region enterprise manufacturers who need to keep data in-house, with a public review record too thin to lean on without running your own trial.
Price published
Yes
No
Yes
No
Billed on
Operations, traffic and storage, with published overage rates
Depends on configuration; several features are priced separately
Consumption-based credits, sold in monthly tiers ($25–$500/mo self-serve, custom above that). Credits are spent on Management (2 credits/GB/month for stored assets), Delivery (1 credit/GB bandwidth), and Transformation (variable by operation). Per-credit rate drops as plan tier rises ($0.25 down to $0.12, monthly billing; slightly cheaper on annual commitment). Each plan also states an implied storage/bandwidth cap in GB.
Quoted per customer
Deployment
Cloud
Cloud
Cloud
On-premise, Cloud, Hybrid
Free plan
Yes
No
No
No
Free trial
No
Yes
No
No
Transparency index
70%
20%
Not checked
20%
Most common complaint
The free tier is stated as personal use only
Feature-level add-on pricing makes the final figure hard to anticipate before a quote
Not checked
No prices, though it does name three deployment models including fully managed on-premise

“Not checked” means exactly that: we have not verified it, not that the platform lacks it. Every other value was read off the vendor’s own pages on the date shown on each platform page.

What to ask on the demo

One question per platform, drawn from what actually goes wrong with it — not a generic checklist. Vendors run the demo; this hands the agenda back to you.

Uploadcare The free tier is stated as personal use only — ask them to answer this in writing before the trial.
Kontainer Feature-level add-on pricing makes the final figure hard to anticipate before a quote — ask them to answer this in writing before the trial.
Pixelboxx No prices, though it does name three deployment models including fully managed on-premise — ask them to answer this in writing before the trial.

No email required — the page prints as it stands.