Sample Log Files for Testing

Pre-generated log files with realistic Apache access log and syslog-style entries. Ideal for testing log parsers, dashboards, SIEM ingestion pipelines, and analytics tooling.

10 MB Sample Log File

~350,000 lines · Apache access log format · UTF-8

Download 10 MB Log File10 MB

TestFile-txt-10mb.txt

Log file format

Each log file contains a mix of Apache Combined Log Format entries and ISO-8601 timestamped application log lines with severity levels (INFO, WARN, ERROR, DEBUG). IP addresses, user agents, paths, and status codes are randomized using realistic distributions.

192.168.1.105 - frank [10/May/2025:14:32:05 +0000] "GET /api/users HTTP/1.1" 200 1327
192.168.1.107 - - [10/May/2025:14:32:06 +0000] "POST /auth/login HTTP/1.1" 401 512
10.0.0.1 - admin [10/May/2025:14:32:07 +0000] "DELETE /records/8471 HTTP/1.1" 204 0
2025-05-10T14:32:08.412Z [ERROR] app.service: Connection timeout — retrying (attempt 2/3)
2025-05-10T14:32:09.015Z [INFO]  worker-3: Job completed in 243ms

All TXT / log file sizes

Size	Bytes	Variant	Download
100KB	102,400 B	lorem ipsum	100 KB
1MB	1,048,576 B	lorem ipsum	1 MB
5MB	5,242,880 B	lorem ipsum	5 MB
10MB	10,485,760 B	lorem ipsum	10 MB
50MB	52,428,800 B	lorem ipsum	50 MB

Generate a custom log file

Configure line count, encoding, and line endings.

⚙ Generate log file

Generate via API

# Generate a log file via API
curl -X POST https://gettestfiles-api.fly.dev/generate/txt \
  -H "Content-Type: application/json" \
  -d '{"lines": 50000, "variant": "log", "encoding": "utf-8"}' \
  --output server.log

# Download the pre-built 10 MB log file
curl -L "http://localhost:8000/files/txt/TestFile-txt-10mb.txt" \
  -o sample-log-10mb.txt