---
name: "desync-chunk"
section: "1"
platform: "linux"
package: "desync"
version: "1.1.5-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/desync-chunk"
---

# desync-chunk(1)

Chunk input file and print chunk boundaries and IDs

## NAME

desync-chunk - Chunk input file and print chunk boundaries and IDs

## SYNOPSIS

**desync chunk \<file\> \[flags\]**

## DESCRIPTION

Chunks the input file without storing anything, and prints a start/length/hash triple for each chunk the file would be split into. Useful to inspect or tune chunking parameters before running 'make'.

## OPTIONS

**-m**, **--chunk-size**="16:64:256"\
 	min:avg:max chunk size in kb

**-h**, **--help**\[=false\]\
 	help for chunk

**-S**, **--start**=0\
 	starting position in bytes

## OPTIONS INHERITED FROM PARENT COMMANDS

**--config**=""\
 	config file (default $HOME/.config/desync/config.json)

**--digest**="sha512-256"\
 	digest algorithm, sha512-256 or sha256

**--verbose**\[=false\]\
 	verbose mode

## EXAMPLE

```
  desync chunk file.bin
```

## SEE ALSO

**[desync(1)](/desync/1.md)**

## HISTORY

20-Oct-2026 Auto generated by spf13/cobra