500 KB GIF sample file

A GIF file of exactly 512,000 bytes. It is a valid Graphics Interchange Format file, generated for this site and checked with an independent parser.

sample-gif-500kb.gif

500 KB512,000 bytes

Download 500 KB GIF

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Type: image/gif
SHA-256: 15daf7f4bcb2d531dc588b202c7805ee8fe2d5489085a21b3cbf4e4ac67de4a6
Direct URL: https://sampletestfiles.com/downloads/gif/sample-gif-500kb.gif

What is in this file

A looping 455 × 340 animation of 13 LZW-compressed frames; the last frame repaints only the top of the canvas. 1,547 bytes of GIF comment extension bring the file to the exact size.

Dimensions	455 × 340 px
Frames	13
Frame delay	80 ms
Loop	Forever
Colours	256 (global colour table)
Version	GIF89a

First bytes of the file

The first 64 bytes of sample-gif-500kb.gif as a hex dump: offset, bytes, then the same bytes as text. The GIF signature is 47 49 46 38 39 61.

00000000  47 49 46 38 39 61 c7 01 54 01 f7 00 00 00 00 00  |GIF89a..T.......|
00000010  00 00 33 00 00 66 00 00 99 00 00 cc 00 00 ff 00  |..3..f..........|
00000020  33 00 00 33 33 00 33 66 00 33 99 00 33 cc 00 33  |3..33.3f.3..3..3|
00000030  ff 00 66 00 00 66 33 00 66 66 00 66 99 00 66 cc  |..f..f3.ff.f..f.|

Preview

Displays the file in your browser.

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 whether image pipelines preserve animation
Checking frame-count and duration limits

Testing notes for GIF

Many resizing libraries silently keep only the first frame of an animated GIF.
Animated GIFs are large for what they show; a few seconds can reach several megabytes, so they hit size limits early.

GIF format reference

Technical details

File name	sample-gif-500kb.gif
Format	GIF (Graphics Interchange Format)
Extension	.gif
MIME type	image/gif
Size	512,000 bytes (500 KB)
Kind	Binary
Signature	47 49 46 38 39 61
SHA-256	15daf7f4bcb2d531dc588b202c7805ee8fe2d5489085a21b3cbf4e4ac67de4a6
Created	2026-10-10
Validation	Exact size, signature bytes and structure checked when the file was generated
Preview	Available on this page
Source	Generated for this site; not copied from elsewhere
Licence	Free to use, modify and redistribute (terms)
Category	Images

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

On Windows, run Get-FileHash sample-gif-500kb.gif -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 GIF file?: A looping 455 × 340 animation of 13 LZW-compressed frames; the last frame repaints only the top of the canvas. 1,547 bytes of GIF comment extension bring the file to the exact size.
Are the sample GIFs animated?: Yes. They loop forever at about 12 frames per second. The frame count for each size is shown on its download page.

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