> For the complete documentation index, see [llms.txt](https://bluurdoc.bluur.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bluurdoc.bluur.ai/en/getting-started/quick-start/supported-documents.md).

# Supported documents

The page presents the supported file formats and the limitations that should be taken into account before adding a document to the system.

### Supported formats

The system supports the following document and image formats:

* PDF,
* JPG,
* JPEG,
* JPE,
* JIF,
* JFIF,
* JFI,
* PNG,
* TIFF,
* TIF,
* TXT,
* DOC,
* DOCX.

Documents saved in other formats must be converted to one of the supported file types before uploading.

### Document size limit

The maximum size of a single document is **10 MB**.

The total size of documents added to one project cannot exceed **100 MB**.

If one of the limits is exceeded, the system will display a message in the upper-right corner of the screen informing you of an invalid file size. The document will not be added to the system or sent for classification.

### Page limit

The system does not specify the maximum number of pages in a document when adding it or performing **AI classification**.

In paid plans, pages are only charged when anonymization is performed. All pages of the document are counted toward the limit, including those on which no data was selected for anonymization.

Example: adding and classifying a document containing 10 pages does not reduce the plan limit. Performing anonymization on this document charges 10 pages.

{% hint style="info" %}
If anonymization would exceed the page limit available in the plan and incur an additional fee, the system will display a confirmation message.
{% endhint %}

### Scanned documents

A scan can be uploaded if it has been saved in one of the supported formats, such as PDF, JPG, PNG, or TIFF.

### Possible reasons for file rejection

The document may not be added or processed if:

* it was saved in an unsupported format,
* its size exceeds 10 MB,
* the total size of documents in the project exceeds 100 MB,
* the file is corrupted or its contents cannot be read,
* the document has protections that prevent its contents from being read.

If the document meets the requirements but still cannot be uploaded, try adding the file again. If problems persist, go to the section [**Technical Support**](/en/system/technical-support.md) and report a technical issue.


---

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