Allowed File Types in Jestor

To ensure the security, stability, and performance of our platform, Jestor only accepts uploads in a restricted list of file types. This limitation is in place to prevent the execution of malicious code, reduce the risk of security breaches, and maintain a safe and efficient environment for all users.

Below is the complete list of supported file formats:

Image Formats

We allow commonly used, safe image formats:
• .jpg / .jpeg — JPEG image
• .png — Portable Network Graphics
• .gif — Graphics Interchange Format
• .svg — Scalable Vector Graphics
• .webp — Web Picture format

MIME Types:
• image/jpeg
• image/png
• image/gif
• image/svg+xml
• image/webp

Compressed Archives

To support file grouping while preserving system security, only common and non-executable compressed file formats are accepted:
• .zip
• .rar
• .7z
• .tar

MIME Types:
• application/zip
• application/x-rar-compressed
• application/x-7z-compressed
• application/x-tar

Video Formats

We support widely-used video file types that are safe for upload and playback:
• .mp4
• .mov
• .avi
• .mkv
• .webm
• .mpeg

MIME Types:
• video/mp4
• video/quicktime
• video/x-msvideo
• video/x-matroska
• video/webm
• video/mpeg

Document Formats

Accepted document types include most widely used office and plain text formats:
• .pdf — Portable Document Format
• .doc, .docx — Microsoft Word
• .xls, .xlsx — Microsoft Excel
• .ppt, .pptx — Microsoft PowerPoint
• .odt, .ods, .odp, .odg — OpenDocument formats
• .csv, .tsv — Delimited text formats
• .json — JavaScript Object Notation
• .txt, .log — Plain and log text files
• .xml — Extensible Markup Language
• .md — Markdown

Why Other Formats Are Not Allowed

To protect your data and ensure platform stability, executable files, scripts, and other potentially harmful formats are strictly blocked. By only allowing safe and standardized formats, we can:
• Prevent malicious code injection
• Reduce file-based vulnerabilities
• Maintain compatibility across devices
• Ensure fast and reliable uploads