Zoomblr vs Tumbex
Tumbex was the go-to Tumblr viewer for years but has struggled with outages and blocked images. Here is how Zoomblr compares.
Verdict
Zoomblr is the more reliable choice in 2026: it uses lightweight public Tumblr endpoints, so it stays online while Tumbex has suffered recurring outages and blocked images. Zoomblr also adds HD avatar downloads and per-image photoset downloads. Tumbex remains a capable viewer when it is up. Both are free and login-free.
Feature comparison
| Feature | Zoomblr | Tumbex |
|---|---|---|
| Login-free viewing | Yes | Yes |
| Download avatar in HD (512px) | Yes512px, original format | No |
| Browse posts (infinite scroll) | Yes | Yes |
| In-blog tag filter | Yes | Yes |
| Global tag pages (cross-blog) | Yes | Yes |
| Download post media | Yesper-image, photoset & reblog | Yes |
| Per-image photoset downloads | Yes | No |
| Trending / stats | Yes | No |
| No install required | Yes | Yes |
| Reliability (2026) | Yeslive | Partialrecurring outages |
Tumbex: Long-running Tumblr viewer that has suffered recurring outages and blocked images as Tumblr restricted scraping.
Competitor capabilities are based on public use and may change. Zoomblr details reflect current features.
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Frequently asked questions
Is Zoomblr a good Tumbex alternative?
Yes. Zoomblr is a free, login-free Tumblr viewer that stays online by using lightweight public endpoints, and it adds HD avatar and per-image downloads Tumbex lacks.
Why does Tumbex keep going down?
Tumbex relied on heavily scraping Tumblr media; as Tumblr tightened access through 2025 this caused recurring outages and blocked images.
Are both free?
Yes, both Zoomblr and Tumbex are free to use with no account required.