500 KB PPTX sample file

A PPTX file of exactly 512,000 bytes. It is a valid PowerPoint presentation (Office Open XML) file, generated for this site and checked with an independent parser.

sample-pptx-500kb.pptx

500 KB512,000 bytes

Download 500 KB PPTX

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Type: application/vnd.openxmlformats-officedocument.presentationml.presentation
SHA-256: 758aa45f27012a79aec48a068c6e017a9019f5112124d6329b0cc3ca5434a050
Direct URL: https://sampletestfiles.com/downloads/pptx/sample-pptx-500kb.pptx

What is in this file

A five-slide deck with a title slide, bullets, a table and speaker notes, plus one embedded test-card PNG of 477,334 bytes. The image is stored uncompressed and sized so that the presentation is exactly 512,000 bytes.

Slides	5
Contents	Title, bullet, picture and table slides, with speaker notes
Embedded image	PNG, 457 × 347 px
Macros	None
Container	ZIP (Office Open XML)

First bytes of the file

The first 64 bytes of sample-pptx-500kb.pptx as a hex dump: offset, bytes, then the same bytes as text. The PPTX signature is 50 4B 03 04.

00000000  50 4b 03 04 14 00 00 00 08 00 00 00 21 5c 20 37  |PK..........!\ 7|
00000010  1d 4f fa 01 00 00 8b 10 00 00 13 00 00 00 5b 43  |.O............[C|
00000020  6f 6e 74 65 6e 74 5f 54 79 70 65 73 5d 2e 78 6d  |ontent_Types].xm|
00000030  6c cd 98 4d 6f 9b 40 10 86 ef fd 15 88 0b 87 ca  |l..Mo.@.........|

Preview

PPTX files cannot be shown in a browser. Download the file and open it with Microsoft PowerPoint.

Where 500 KB matters

A 512,000-byte file: larger than most API body limits, smaller than most upload limits. These are the default limits a file of this size is useful for testing:

System	Limit	Note
Amazon DynamoDB items	400 KB per item	500 KB cannot be stored as a single item.
Express body parsers	100 KB by default	Rejected unless the limit is raised.
nginx request body	1 MB by default (client_max_body_size)	Accepted with room to spare.

All 500 KB sample files

Use this file for

Testing that APIs return 413 for oversized bodies
Testing presentation uploads in learning and meeting software
Checking slide-to-image or slide-to-PDF conversion

Testing notes for PPTX

Presentation size is dominated by embedded media, so limits tuned for documents are often too small for real decks.
Converters differ in font substitution; the same deck can reflow when a font is missing.

PPTX format reference

Technical details

File name	sample-pptx-500kb.pptx
Format	PPTX (PowerPoint presentation (Office Open XML))
Extension	.pptx
MIME type	application/vnd.openxmlformats-officedocument.presentationml.presentation
Size	512,000 bytes (500 KB)
Kind	Binary
Signature	50 4B 03 04
SHA-256	758aa45f27012a79aec48a068c6e017a9019f5112124d6329b0cc3ca5434a050
Created	2026-10-10
Validation	Exact size, signature bytes and structure checked when the file was generated
Preview	Not available for this format; details only
Source	Generated for this site; not copied from elsewhere
Licence	Free to use, modify and redistribute (terms)
Category	Presentations

Validated for expected format and integrity. As with any download, scan the file with your own security tools before opening it. How files are made and checked

Download from the command line and verify

Fetch the file with curl, then compare its checksum with the SHA-256 value above.

curl -o sample-pptx-500kb.pptx 'https://sampletestfiles.com/downloads/pptx/sample-pptx-500kb.pptx'
sha256sum sample-pptx-500kb.pptx     # Linux
shasum -a 256 sample-pptx-500kb.pptx # macOS

On Windows, run Get-FileHash sample-pptx-500kb.pptx -Algorithm SHA256 in PowerShell. A matching value proves that the download is complete and unaltered.

Related files

Questions about this file

Is this file exactly 500 KB?: Yes. It is 512,000 bytes, which is 500 KB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
What is inside the 500 KB PPTX file?: A five-slide deck with a title slide, bullets, a table and speaker notes, plus one embedded test-card PNG of 477,334 bytes. The image is stored uncompressed and sized so that the presentation is exactly 512,000 bytes.
What is on the slides?: Five slides: a title, a bulleted list with speaker notes, a picture, a table and a closing slide.

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