1 KB LOG sample file

A LOG file of exactly 1,024 bytes. It is a valid Log file file, generated for this site and checked with an independent parser.

sample-log-1kb.log

1 KB1,024 bytes

Download 1 KB LOG

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Type: text/plain
SHA-256: ae2dada1d3ff2898d14ddcc32e662b79d45a3538d551f8b85e1c4628c058988f
Direct URL: https://sampletestfiles.com/downloads/log/sample-log-1kb.log

What is in this file

6 web-server access log lines in Combined Log Format with increasing timestamps. One final request line carries a lengthened query string so the file reaches the exact size.

Lines	7
Format	Combined Log Format (Apache and nginx access logs)
IP addresses	Documentation ranges from RFC 5737
Encoding	UTF-8 (ASCII characters only)
Line endings	LF

How the file begins

The opening lines of sample-log-1kb.log, exactly as they appear in the file.

192.0.2.239 - - [01/Jan/2026:00:00:00 +0000] "GET /assets/app.js HTTP/1.1" 200 4759 "https://example.com/" "ExampleMonitor/1.0"
198.51.100.123 - - [01/Jan/2026:00:00:01 +0000] "GET /favicon.ico HTTP/1.1" 500 33395 "https://example.com/" "curl/8.5.0"
192.0.2.55 - - [01/Jan/2026:00:00:03 +0000] "GET /favicon.ico HTTP/1.1" 404 10647 "https://example.com/" "ExampleMonitor/1.0"
198.51.100.184 - - [01/Jan/2026:00:00:05 +0000] "GET /assets/app.css HTTP/1.1" 200 36767 "https://example.com/" "Mozilla/5.0 (X11; Linux x86_64; rv:12…
203.0.113.34 - - [01/Jan/2026:00:00:06 +0000] "GET /index.html HTTP/1.1" 204 19807 "https://example.com/" "ExampleMonitor/1.0"
203.0.113.75 - - [01/Jan/2026:00:00:08 +0000] "GET /downloads/report.pdf HTTP/1.1" 304 8816 "https://example.com/" "ExampleMonitor/1.0"

Preview

Shows the file contents.

Where 1 KB matters

The smallest practical test file: 1,024 bytes, small enough to travel in a single network packet. These are the default limits a file of this size is useful for testing:

System	Limit	Note
Ethernet	1,500 bytes (typical MTU)	A 1 KB payload fits in one packet with its headers.
Browser cookies	4,096 bytes per cookie	1 KB is well inside the limit; the 5 KB sample is over it.

All 1 KB sample files

Use this file for

Smoke tests in CI that must run in milliseconds
Testing log parsers and grok patterns
Checking dashboards and alert rules

Testing notes for LOG

Request paths and user agents come from clients and may contain quotes or escape sequences; a pattern that assumes clean input will misparse real traffic.
Timestamps carry a zone offset. Parsers that drop it shift every event.

LOG format reference

Technical details

File name	sample-log-1kb.log
Format	LOG (Log file)
Extension	.log
MIME type	text/plain
Size	1,024 bytes (1 KB)
Kind	Text
SHA-256	ae2dada1d3ff2898d14ddcc32e662b79d45a3538d551f8b85e1c4628c058988f
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	Testing

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-log-1kb.log 'https://sampletestfiles.com/downloads/log/sample-log-1kb.log'
sha256sum sample-log-1kb.log     # Linux
shasum -a 256 sample-log-1kb.log # macOS

On Windows, run Get-FileHash sample-log-1kb.log -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 1 KB?: Yes. It is 1,024 bytes, which is 1 KB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
What is inside the 1 KB LOG file?: 6 web-server access log lines in Combined Log Format with increasing timestamps. One final request line carries a lengthened query string so the file reaches the exact size.
Are the IP addresses real?: No. They come from the address ranges that RFC 5737 reserves for documentation, so they belong to no one.

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