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100 KB PDF test file

A PDF document of exactly 102,400 bytes, created instantly in your browser. Nothing is uploaded, and there is no sign-up.

Testing a limit? Grab the edge cases too

Need another size or name? Open it in the generator.

What’s inside the file

A valid one-page PDF 1.4 that reads “Dummy PDF”. Extra size is stored inside the document, so it opens in any PDF viewer at every size.

  • Size: 102,400 bytes = 100 KB (binary) ≈ 0.10 MB (decimal)
  • MIME type: application/pdf
  • File name: dummy-100kb.pdf

Will a 100 KB file upload?

How a 100 KB file compares with published limits (verified 2026-09-27):

ServiceLimit100 KB file
Gmail — email attachments (total per message)25 MBFits
Outlook.com — email attachments25 MBFits
Yahoo Mail — email attachments (total per message)25 MBFits
WhatsApp — documents / files2 GBFits
Discord (free) — file attachments20 MBFits
Slack — file upload1 GBFits
Facebook Messenger — files in chats100 MBFits
Notion (Free) — file upload5 MBFits
Trello (Free) — card attachment from computer10 MBFits
X (Twitter) — image5 MBFits
LinkedIn — document post (pdf, docx, pptx)100 MBFits
Shopify — product image20 MBFits
Typeform — file upload question10 MBFits

Sources and 40+ more limits (servers, frameworks, cloud storage): file upload limits reference.

Good for testing

  • Document upload forms and attachment limits
  • PDF preview and thumbnail pipelines
  • Virus-scan and storage-quota queues

Questions

Is this 100 KB PDF exactly 102,400 bytes?

Yes. The file is exactly 102,400 bytes (100 KB with 1 MB = 1,024 × 1,024 bytes). If the system you test counts 1 MB as 1,000,000 bytes, use the 100,000-byte button instead.

Will the PDF file open?

A valid one-page PDF 1.4 that reads “Dummy PDF”. Extra size is stored inside the document, so it opens in any PDF viewer at every size.

Is it safe? Where does the file come from?

The file is created by JavaScript in your own browser when you click the button. Nothing is uploaded or downloaded from a server, and the file contains no macros, scripts or personal data.

More about the format: PDF format guide.