Fact-checked comparison
Screenshotor vs Thum.io: pricing, features, and best fit
Real-time website snapshot API built around embeddable image URLs, streaming/animated initial renders, high-volume screenshot hits, mobile emulation, and thumbnail-style delivery. This article compares that public positioning with Screenshotor, a screenshot API built around async jobs, webhooks, dashboard history, temporary download URLs, and optional AI vision on completed captures.
Sources checked
Official competitor pages checked on 2026-05-28. Pricing changes often, so verify again before buying.
Quick verdict
Choose Screenshotor when the screenshot is part of your own product workflow: create a job, receive a webhook, store a result, and optionally ask AI to interpret the final image.
Why Screenshotor can be the better fit
- Screenshotor is better for backend workflows that need API key authentication, job status, webhook events, history, and secure temporary downloads.
- Screenshotor is a stronger fit when each screenshot should be analyzed by AI or stored as part of an automation pipeline.
- Screenshotor keeps the screenshot result as an API artifact rather than an embeddable public image URL.
When Thum.io makes sense
Thum.io is not just a keyword target. It has real strengths, and the best choice depends on your workload.
- Thum.io pricing can be very attractive for high-volume thumbnail impressions.
- Its embeddable image URL model is simpler for website preview widgets that do not need a dashboard job lifecycle.
Pricing snapshot
Screenshot API pricing is rarely apples-to-apples. Compare fresh renders, cached hits, credits, AI calls, overages, and storage.
Screenshotor
- Free: 100 credits
- Starter: $9/month for 2,500 credits
- Pro: $29/month for 10,000 credits
- Scale: $99/month for 50,000 credits
Thum.io
First 1,000 hits free; Good is publicly listed at $2 per 10,000 hits with a $1 monthly minimum, and Better at $1 per 10,000 hits with a $20 monthly minimum.
Fact-checked highlights
- Homepage pricing lists a Good plan at $2 per 10,000 website screenshot hits with a $1 monthly minimum and first 1,000 hits free.
- The Better plan lists $1 per 10,000 hits with a $20 monthly minimum, queue priority, unbranded loader options, adjustable viewport width, and full-page screenshots.
- Thum.io markets streaming screenshots immediately after request and shows a simple img tag integration pattern.
- URL docs expose modifier-style paths for width, crop, maxAge, JPG/PNG output, and mobile device emulation on better plans.
Screenshotor at a glance
Screenshotor targets teams that want a modern REST workflow: create a capture, track status, download assets, and optionally attach AI analysis to the finished image.
- Async-first screenshot jobs. Create captures with POST /v1/screenshot, poll job status, list history, and fetch time-limited download URLs when rendering finishes.
- Optional AI vision on the rendered image. Turn on aiVision to send the completed PNG, JPG, or WEBP capture through OpenRouter vision models using your prompt, useful for summaries and structured extraction.
- Webhook delivery. Send webhookUrl to get notified when queued work completes so backends do not need tight polling loops.
- Safety-minded URL handling. DNS and network checks aim to reduce SSRF risk before navigation, with additional blocking options for private targets during browsing.
- Banner handling you control per request. Opt into bannerBlocking with hide, reject, or accept modes plus extra selectors for stubborn consent UI.
Thum.io at a glance
Real-time website snapshot API built around embeddable image URLs, streaming/animated initial renders, high-volume screenshot hits, mobile emulation, and thumbnail-style delivery.
When teams shortlist it
- You want embeddable image URLs for thumbnails, previews, SEO proofs, or high-volume site preview impressions.
- Your key metric is screenshot hits rather than internal capture jobs.
- You like the streaming/animated initial render approach and can accept a URL path modifier API.
Decision checklist
Use this table to decide whether you need Screenshotor's job and AI workflow or Thum.io's particular strengths.
| Topic | Screenshotor | Thum.io |
|---|---|---|
| Pricing unit | Credits tied to screenshot API usage. | Website screenshot hits, starting with 1,000 free hits and low per-10,000-hit pricing. |
| Delivery model | Create a job, poll or receive a webhook, then download the completed asset. | Use URL modifiers in an image URL, including simple img tag embedding. |
| Best use case | Automation pipelines, monitoring, reports, and AI screenshot analysis. | High-volume website thumbnails, preview widgets, and public image embeds. |
| AI workflow | Optional AI vision on the completed screenshot. | Public positioning is thumbnail/image delivery, not AI analysis. |
Questions teams ask before switching
Is Thum.io cheaper than Screenshotor?
For high-volume thumbnail impressions, Thum.io can be much cheaper because it prices by hits. For backend capture jobs, webhooks, secure downloads, and AI analysis, Screenshotor is the more relevant comparison.
When should I choose Thum.io?
Choose Thum.io when your product needs embeddable thumbnail URLs and very high impression volume. Choose Screenshotor when screenshots are part of a backend workflow or AI analysis pipeline.
Does Thum.io support full-page screenshots?
Its homepage lists full-page screenshots on the Better plan. Check the current URL API documentation before relying on a specific viewport or device option.
More comparisons
Browse the full list on the comparison hub.