200 KB ZIP sample file

A ZIP file of exactly 204,800 bytes. It is a valid ZIP archive file, generated for this site and checked with an independent parser. Use it wherever you need a 200 KB sample, test or dummy ZIP file.

sample-zip-200kb.zip

200 KB204,800 bytes

Download 200 KB ZIP

Direct download. No sign-up and no waiting.

Type: application/zip
SHA-256: 08d5cdb920434ec3bac737beecd35702debe070736bee2b6571f60adbedaa768
Direct URL: https://sampletestfiles.com/downloads/zip/sample-zip-200kb.zip

What is in this file

4 entries: a README, a CSV file and a JSON file compressed with deflate, plus payload.bin, 201,539 pseudo-random bytes stored without compression so the archive is exactly 204,800 bytes.

Entries	4
Compression	Deflate for text entries, stored for payload.bin
Encrypted	No
ZIP64	No
Largest entry	payload.bin, 201,539 bytes

First bytes of the file

The first 64 bytes of sample-zip-200kb.zip as a hex dump: offset, bytes, then the same bytes as text. The ZIP signature is 50 4B 03 04.

00000000  50 4b 03 04 14 00 00 00 08 00 00 00 21 5c a2 bc  |PK..........!\..|
00000010  f7 67 6d 00 00 00 7b 00 00 00 0a 00 00 00 52 45  |.gm...{.......RE|
00000020  41 44 4d 45 2e 74 78 74 05 c1 31 0e c2 30 0c 05  |ADME.txt..1..0..|
00000030  d0 bd a7 f8 23 0c 54 15 47 60 43 2c 48 30 b1 b9  |....#.T.G`C,H0..|

Preview

ZIP files cannot be shown in a browser. Download the file and open it in an application that reads ZIP, such as Windows Explorer, macOS Archive Utility, 7-Zip.

Where 200 KB matters

A 204,800-byte file: twice the default body limit of most API frameworks, and a common cap for photo and signature uploads on application forms. These are the default limits a file of this size is useful for testing:

System	Limit	Note
Express body parsers	100 KB by default	Rejected with 413 unless the limit is raised.
Amazon DynamoDB items	400 KB per item	200 KB fits, even after base64 encoding takes it to about 273 KB.
Azure Service Bus, Standard tier	256 KB per message	Fits as raw bytes, but not once base64-encoded.

All 200 KB sample files

Use this file for

Testing image compression targets
Testing archive uploads and extraction
Checking limits on extracted size and entry count

Testing notes for ZIP

An archive can expand to far more than its own size. Enforce limits on total extracted bytes and entry count to guard against zip bombs.
Entry names may contain "../". Extracting without validating paths lets an archive write outside the target folder.

ZIP format reference

Technical details

File name	sample-zip-200kb.zip
Format	ZIP (ZIP archive)
Extension	.zip
MIME type	application/zip
Size	204,800 bytes (200 KB)
Kind	Binary
Signature	50 4B 03 04
SHA-256	08d5cdb920434ec3bac737beecd35702debe070736bee2b6571f60adbedaa768
Created	2026-10-10
Validation	Exact size, signature bytes and structure checked when the file was generated
Preview	Not available for this file; details only
Source	Generated for this site; not copied from elsewhere
Licence	Free to use, modify and redistribute (terms)
Category	Archives

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-zip-200kb.zip 'https://sampletestfiles.com/downloads/zip/sample-zip-200kb.zip'
sha256sum sample-zip-200kb.zip     # Linux
shasum -a 256 sample-zip-200kb.zip # macOS

On Windows, run Get-FileHash sample-zip-200kb.zip -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 200 KB?: Yes. It is 204,800 bytes, which is 200 KB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
What is inside the 200 KB ZIP file?: 4 entries: a README, a CSV file and a JSON file compressed with deflate, plus payload.bin, 201,539 pseudo-random bytes stored without compression so the archive is exactly 204,800 bytes.
What is inside the sample ZIP files?: A README, a small CSV file, a small JSON file and a payload.bin entry of pseudo-random bytes that sets the archive size. The smallest archives hold fewer entries.

Download