Thum.io
Thum.io: A focused cloud API for full-page and mobile screenshots from URLs. Ranked #11 of 12 in Website Screenshot Software by our editors (6.2/10); pricing: Free plan; best for users wanting simple free URL-based captures.
At a glance
- Editor score6.2 / 10
- PricingFree plan
- Best forUsers wanting simple free URL-based captures
- Free planYes
- Full-page captureYes
- Facts checked24 Sep 2026
Where it wins
- Generates screenshots from URLs through an HTTPS API
- Captures full pages beyond the visible viewport
- Supports mobile screenshots and configurable dimensions
Where it doesn't
- No scheduled capture
- No bulk capture
- Support is limited to documentation
Our verdict on Thum.io
Thum.io is a cloud service for generating website screenshots from URLs, aimed at developers and teams that need page images for applications, monitoring, documentation, or content workflows. It is accessed over the web and through an API rather than installed as a desktop application. The free plan and straightforward URL-to-image model suit users looking for simple captures without a broader screenshot-management workflow.
Capture options cover both the visible viewport and full pages extending beyond it. Viewport width and height can be configured, and mobile viewport screenshots are supported. HTTPS API access makes Thum.io a fit for workflows that need to request captures programmatically. Its focus is image generation from a URL, rather than scheduled or bulk capture; teams that need those workflows should look for a product with those capabilities.
Thum.io uses a freemium model and includes a free plan. The published product details describe the free offering but do not establish what paid tiers add, so buyers evaluating ongoing or higher-volume use should check the vendor's current pricing page before committing. Documentation is the listed support channel. Choose Thum.io for simple URL-based full-page or mobile captures through an API; consider an alternative if your process depends on scheduled jobs, bulk capture, or support beyond documentation.
Thum.io pricing
Thum.io fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Full-page capture | Yes |
| Mobile capture | Yes |
| Scheduled capture | No |
| API access | Yes |
| Output formats | Not verified |
| Bulk URL capture | No |
| Deployment | Cloud |
| Platforms | Web |
| Support | Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | thum.io |
| Facts checked | 24 Sep 2026 |
Alternatives to Thum.io
- UrlboxA flexible screenshot API with full-page capture and multiple output formats.9.0
- PagePixelsAutomates scheduled website captures, with monthly plans scaling to 100,000 screenshots.8.8
- BrowshotFlexible screenshot capture with pay-as-you-go credits and a free monthly allowance.7.7
See all Thum.io alternatives →
Used Thum.io? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Thum.io for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Thum.io is listed in our Website Screenshot Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/thum-io/"><img src="https://www.itechguides.com/best/badge/thum-io.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Guides on website screenshot software
- 10 Best Website Screenshot Generator Tools and Chrome Plugins (2026)Aug 2026
- Top 5 Website Screenshot Tools for Developers and Teams (2026)Sep 2026
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes a score or a verdict. How we rank.
Last updated · How we research and update