Azure PDF Upload Failed? Fix File Size Limits Instantly
Getting a file size error uploading a PDF to Azure?
Each Azure service has a different limit — compress your PDF here instantly to fix the error.
⚡ File Size Limits (Quick Fix)
•Azure Document Intelligence free tier (F0) limits PDF uploads to 4MB and processes only the first 2 pages.
•Azure Document Intelligence paid tier (S0) supports PDFs up to 500MB with up to 2,000 pages.
•Azure AI Search restricts individual PDF files to 25MB per document for indexing.
•Azure AI Studio limits direct PDF uploads to 16MB per file.
•Azure DevOps work item attachments support files up to 60MB per attachment.
👉 Fix: Compress your file below the required limit using the tool above.
📄
Drop your PDF here
or click to upload — PDF only
Target size (optional)
or leave blank to compress as much as possible
How to use this tool
Select or drag and drop your file into the tool above.
Adjust the settings or target size as needed for your specific requirement.
Wait a moment while your file is processed directly in your browser.
Download the final file safely to your device.
About this tool
Azure PDF limits vary by service: Document Intelligence free tier is 4MB, AI Studio is 16MB, AI Search is 25MB, DevOps work items are 60MB, and Document Intelligence paid tier is up to 500MB. Compress to the limit for your specific service.
→Azure Document Intelligence free tier (F0) limits PDF uploads to 4MB and processes only the first 2 pages.Microsoft Docs ↗
→Azure Document Intelligence paid tier (S0) supports PDFs up to 500MB with up to 2,000 pages.Microsoft Docs ↗
→Azure AI Search restricts individual PDF files to 25MB per document for indexing.Microsoft Docs ↗
→Azure AI Studio limits direct PDF uploads to 16MB per file.Microsoft Docs ↗
→Azure DevOps work item attachments support files up to 60MB per attachment.Microsoft Docs ↗
❓ Frequently Asked Questions
Why is my Azure PDF upload failing?+
Each Azure service enforces its own file size limit. Document Intelligence free tier is 4MB, AI Studio is 16MB, AI Search is 25MB, and DevOps work items are 60MB. Compress your PDF to the limit for your specific service.Source: Microsoft Docs ↗
What are the PDF size limits across Azure services?+
Document Intelligence free tier: 4MB (2 pages). Document Intelligence paid tier: 500MB (2,000 pages). AI Studio: 16MB. AI Search: 25MB. DevOps work items: 60MB.Source: Microsoft Docs ↗
How do I fix an Azure PDF upload error?+
Identify which Azure service is rejecting your file, then compress the PDF below that service's limit using the tool above.Source: Microsoft Docs ↗
Can I upload large PDFs to Azure Blob Storage?+
Yes. Azure Blob Storage itself supports very large files, but services that read from it (like Document Intelligence or AI Search) impose their own lower processing limits.Source: Microsoft Docs ↗