10 KB TAR sample file
A TAR file of exactly 10,240 bytes. It is a valid Tape archive file, generated for this site and checked with an independent parser.
Download
sample-tar-10kb.tar
10 KB10,240 bytes
Download 10 KB TARDirect download. No sign-up and no waiting.
- Type
- application/x-tar
- SHA-256
dbab345af416eb39cefb7722788c41f5bafb030d132667101651ead0b523e7f2- Direct URL
https://sampletestfiles.com/downloads/tar/sample-tar-10kb.tar
What is in this file
A ustar archive with a README and payload.bin, 7,680 pseudo-random bytes, followed by the two zero blocks that end every tar archive.
| Entries | 2 (README.txt, payload.bin) |
|---|---|
| Format | POSIX ustar |
| Compression | None |
| Block size | 512 bytes |
First bytes of the file
The first 64 bytes of sample-tar-10kb.tar as a hex dump: offset, bytes, then the same bytes as text. The TAR signature is 75 73 74 61 72 at offset 257.
00000000 52 45 41 44 4d 45 2e 74 78 74 00 00 00 00 00 00 |README.txt......|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|Preview
TAR files cannot be shown in a browser. Download the file and open it with tar on Linux, macOS and Windows.
Where 10 KB matters
A 10,240-byte file that still arrives in the first round trip of a new connection. These are the default limits a file of this size is useful for testing:
| System | Limit | Note |
|---|---|---|
| TCP initial congestion window | About 14.6 KB (10 segments) | A 10 KB response fits in the first flight of packets; the 25 KB sample does not. |
| nginx and Apache request headers | 8 KB per header line by default | Data this large must go in the request body. |
| webpack asset modules | 8 KB by default | Assets over the threshold are emitted as files instead of data URIs. |
Use this file for
- Checking thumbnail and icon handling
- Testing container and package pipelines
- Testing archive extraction on servers
Testing notes for TAR
- Like ZIP, tar entries can contain absolute paths or "../", and can be symbolic links. Validate before extracting.
- There is no index, so listing the contents means reading the whole archive.
Technical details
| File name | sample-tar-10kb.tar |
|---|---|
| Format | TAR (Tape archive) |
| Extension | .tar |
| MIME type | application/x-tar |
| Size | 10,240 bytes (10 KB) |
| Kind | Binary |
| Signature | 75 73 74 61 72 at offset 257 |
| SHA-256 | dbab345af416eb39cefb7722788c41f5bafb030d132667101651ead0b523e7f2 |
| Created | 2026-10-10 |
| Validation | Exact size, signature bytes and structure checked when the file was generated |
| Preview | Not available for this format; 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-tar-10kb.tar 'https://sampletestfiles.com/downloads/tar/sample-tar-10kb.tar'
sha256sum sample-tar-10kb.tar # Linux
shasum -a 256 sample-tar-10kb.tar # macOSOn Windows, run Get-FileHash sample-tar-10kb.tar -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 10 KB?
- Yes. It is 10,240 bytes, which is 10 KB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
- What is inside the 10 KB TAR file?
- A ustar archive with a README and payload.bin, 7,680 pseudo-random bytes, followed by the two zero blocks that end every tar archive.
- Why is there no 1 KB TAR sample?
- A tar archive is built from 512-byte blocks and ends with two empty blocks, so the smallest archive containing a README and a payload is larger than 1 KB.