Cloudmersive Document and Image Conversion
Cloudmersive Document and Image Conversion is a freemium API for converting office files, images, data, HTML, and web URLs.
What Cloudmersive Document and Image Conversion is
Cloudmersive Document and Image Conversion is a freemium API for converting office files, images, data, HTML, and web URLs. Word, Excel, and PowerPoint APIs can convert, create, modify, merge, and extract document content, including conversion to PDF described as high fidelity. The image API supports more than 100 formats, resizing, DPI adjustment, property extraction, and format detection. Web URLs can become PNG screenshots or PDFs, and HTML strings can become PDFs. APIs run in Cloudmersive’s hosted cloud or can be deployed on premises, in private cloud, or on Azure, AWS, or GCP. Client libraries and connectors cover .NET, Java, Node.js, Python, PHP, Salesforce Apex, Zapier, Mendix, Power Automate, and Azure Logic Apps. Cloudmersive states that payloads are not retained after transactions and endpoints use TLS 1.2 or later. The free tier allows 600 calls monthly and 3.5 MB files.
Good
- Converts office files and images
- Supports over 100 image formats
- Hosted or self-hosted deployment
- Broad client libraries and connectors
- Free tier available
Watch out
- Free tier limits calls to 600 monthly
- Free files capped at 3.5 MB
Who it suits
This service suits developers integrating document, image, HTML, or web conversion into applications through APIs. Deployment choices and regional residency options may fit teams with specific hosting requirements.
Verdict
Cloudmersive offers wide format coverage, multiple deployment models, and integrations for many development stacks. The free tier is limited, so higher call volumes or larger files require a paid plan.
Plans and prices
From Cloudmersive Document and Image Conversion's own pricing page, checked 7 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free Tier | Free | 600 Calls/Month · 1 Calls/Second · 3.5 MB Maximum File Size · Limited Support · North America data center · Evaluation plan, no expiration · $0.00/Month |
| Basic | $19.99 a month | 10,000 Calls/Month · 2 Calls/Second · 1 GB Maximum File Size · High Availability · Basic support (24 Hours) · North America (U.S. East, Canada) · $19.99/Month |
| Business | $49.99 a month | 25,000 Calls/Month · 2 Calls/Second · 1 GB Maximum File Size · High Availability · Silver support (12 Hours) · North America (U.S. East, U.S. West, Canada), European Union (Germany) · $49.99/Month |
| Business Premier | $99.99 a month | 50,000 Calls/Month · 3 Calls/Second · 1 GB Maximum File Size · High Availability · Silver support (12 Hours) · 7 Days API Analytics · North America, European Union (Germany), Australia · $99.99/Month |
| Business Advantage | $199.99 a month | 100,000 Calls/Month · 4 Calls/Second · 2 GB Maximum File Size · High Availability · Gold support (6 Hours) · 30 Days API Analytics · North America, European Union, Australia, United Kingdom, India · $199.99/Month |
| Managed Instance D2.Small | Priced on request | Unlimited* Calls/Month · 1 Calls/Second · Unlimited Maximum File Size · 99.95% SLA · Platinum support (2 Hours) · Customizable API Analytics · Multiple regions, Private Cloud, Azure, AWS, GCP · Contact Us |
The facts
Each one read from Cloudmersive Document and Image Conversion's own pages, with the date it was checked.
What it does
- API and file limits
- The listed free tier includes 600 calls per month, a rate limit of 1 call per second, and a 3.5 MB maximum file size.checked 7 Oct 2026
- Compliance and residency
- The company describes GDPR and CCPA support and offers regional data residency options in North America, Europe, the United Kingdom, and Asia Pacific.checked 7 Oct 2026
- Deployment options
- Cloudmersive APIs can be used in its hosted cloud or deployed on-premises, in private cloud, or in Azure, AWS, or GCP.checked 7 Oct 2026
- Developer integrations
- Cloudmersive lists client libraries and connectors for languages and tools including .NET, Java, Node.js, Python, PHP, Salesforce Apex, Zapier, Mendix, Power Automate, and Azure Logic Apps.checked 7 Oct 2026
- High fidelity conversion
- The product converts Word, Excel, and PowerPoint files to PDF and describes those conversions as high fidelity.checked 7 Oct 2026
- Image conversions
- The image API supports over 100 formats and can resize images, adjust DPI, extract image properties, and detect image format.checked 7 Oct 2026
- Office documents
- Its Word, Excel, and PowerPoint APIs can convert, create, modify, merge, and extract content from documents.checked 7 Oct 2026
- Product scope
- The API converts files and content between formats, including office documents, images, data, HTML, and web URLs.checked 7 Oct 2026
- Security and privacy
- Cloudmersive says its stateless APIs do not retain payload data after a transaction completes and its endpoints use TLS 1.2 or later.checked 7 Oct 2026
- Support
- The Convert API page offers documentation, example code, interactive docs, and a sales contact option.checked 7 Oct 2026
- Web and HTML
- The API can render web URLs as PNG screenshots or PDFs and convert HTML strings to PDF.checked 7 Oct 2026
The company
- Company scale
- Cloudmersive says more than 1,100 enterprise customers use its APIs and that its services have processed over 1 billion API calls.checked 7 Oct 2026
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