otty / apps
All apps/Minisign

Minisign

minisign

A dead simple tool to sign files and verify signatures.

Runs as minisign|macOS, Linux, Windows|jedisct1.github.io
Open form in Otty otty.toml

Command form

ai-draft · 2 tasks · 11 fields

Sign a file with a secret key or verify a signature against a public key. Key generation, recreating or re-encrypting keys and legacy-format signing are left out.

Opens the form; the finished command lands at your prompt, unrun
Run in Otty
otty gui minisign
Sign or verify a fileExample values, fixed in this page — nothing here reaches a terminal
Basic
Sign*
-S
File*
file
Secret key file
file
Advanced
Signature file
file
Trusted comment
string
Untrusted comment
string
Unencrypted secret key
-W
TasksEach one presets the form for one job
Sign a file
signfileseckeytrusted_commentuntrusted_commentsigfileno_password
Verify a signature
verifyfilepubkey_filepubkeysigfilequiet
ParametersOnly these flags are editable in the form
Sign
boolean
-S
Verify
boolean
-V
File
path
-m
Secret key file
Defaults to ~/.minisign/minisign.key.
path
-s
Public key file
Defaults to ./minisign.pub.
path
-p
Public key (base64)
string
-P
Signature file
Defaults to <file>.minisig.
path
-x
Trusted comment
string
-t
Untrusted comment
string
-c
Unencrypted secret key
Do not encrypt/decrypt the secret key with a password.
boolean
-W
Quiet
boolean
-q
SourcesEvery flag above is checked against these
help
minisign -S [-l] [-x sig_file] [-s seckey_file] [-c untrusted_comment] [-t trusted_comment] -m file [file ...] minisign -V [-H] [-x sig_file] [-p pubkey_file | -P pubkey] [-o] [-q] -m file -S sign files -V verify that a signature is valid for a given file -m <file> file to sign/verify -o combin…
helpmaster 2026-10

github.com

Before it fills your prompt, Otty checks the installed minisign against its version. A form that does not match your version is not offered.