100 KB LOG sample file
A LOG file of exactly 102,400 bytes. It is a valid Log file file, generated for this site and checked with an independent parser.
Download
sample-log-100kb.log
100 KB102,400 bytes
Download 100 KB LOGDirect download. No sign-up and no waiting.
- Type
- text/plain
- SHA-256
4dfcb180261e1974e3f2093d1793b89014e2f5fa1ef15fe3783f7398a8243d9c- Direct URL
https://sampletestfiles.com/downloads/log/sample-log-100kb.log
What is in this file
626 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 | 627 |
|---|---|
| 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-100kb.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 first 64 KB of the file.
Where 100 KB matters
A 102,400-byte file that sits exactly on the default request-body limit of Express. These are the default limits a file of this size is useful for testing:
| System | Limit | Note |
|---|---|---|
| Express body parsers | 100 KB (102,400 bytes) by default | A request body of exactly this size passes; anything larger returns 413 Payload Too Large. |
| Gmail message clipping | About 102 KB of HTML | Longer messages are truncated behind a "view entire message" link. |
| Amazon DynamoDB items | 400 KB per item | 100 KB fits; the 500 KB sample does not. |
Use this file for
- Checking email size handling
- Benchmarking ingestion pipelines
- Testing log parsers and grok patterns
Testing notes for LOG
- Timestamps carry a zone offset. Parsers that drop it shift every event.
- 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.
Technical details
| File name | sample-log-100kb.log |
|---|---|
| Format | LOG (Log file) |
| Extension | .log |
| MIME type | text/plain |
| Size | 102,400 bytes (100 KB) |
| Kind | Text |
| SHA-256 | 4dfcb180261e1974e3f2093d1793b89014e2f5fa1ef15fe3783f7398a8243d9c |
| 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-100kb.log 'https://sampletestfiles.com/downloads/log/sample-log-100kb.log'
sha256sum sample-log-100kb.log # Linux
shasum -a 256 sample-log-100kb.log # macOSOn Windows, run Get-FileHash sample-log-100kb.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 100 KB?
- Yes. It is 102,400 bytes, which is 100 KB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
- What is inside the 100 KB LOG file?
- 626 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.