tweak

command module

v1.1.0 Latest Latest Go to latest Published: Mar 2, 2026 License: Apache-2.0 Imports: 1 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/OpenSyntaxHQ/tweak

Links

Open Source Insights

README ¶

tweak

Website | Install | Usage | Commands | Contributing

tweak is a fast, cross-platform CLI and interactive TUI for text processing. Encode, hash, transform, generate, and validate — 118 built-in operations, zero dependencies at runtime.

# Interactive TUI
tweak

# Direct input
tweak md5 "Hello World"
tweak base64-encode "secret"
tweak json-yaml file.json

# Pipe from anything
echo "Hello World" | tweak md5
cat file.txt | tweak base64-encode
curl https://api.example.com/data | tweak json

# Chain operations
tweak md5 "hello" | tweak base64-encode

# Write to file
tweak yaml-json config.yaml > config.json

Installation

Homebrew (macOS / Linux)

brew install OpenSyntaxHQ/tweak/tweak

Go

go install github.com/OpenSyntaxHQ/tweak@latest

Quick Install (curl)

curl -sfL https://raw.githubusercontent.com/OpenSyntaxHQ/tweak/main/install.sh | sh

Binaries

macOS (Universal — arm64 + amd64)

tweak_Darwin_all.tar.gz

Linux

Architecture	Download
amd64	tweak_Linux_x86_64.tar.gz
arm64	tweak_Linux_arm64.tar.gz
i386	tweak_Linux_i386.tar.gz

Windows

Architecture	Download
amd64	tweak_Windows_x86_64.zip
arm64	tweak_Windows_arm64.zip
i386	tweak_Windows_i386.zip

FreeBSD

Architecture	Download
amd64	tweak_Freebsd_x86_64.tar.gz
arm64	tweak_Freebsd_arm64.tar.gz

Linux Packages

# Debian / Ubuntu
dpkg -i tweak_*.deb

# RHEL / Fedora / CentOS
rpm -i tweak_*.rpm

# Arch Linux
pacman -U tweak_*.pkg.tar.zst

Usage

# Launch interactive TUI
tweak

# Get help on any command
tweak --help
tweak md5 --help

# Use with a file
tweak base64-encode image.jpg
tweak md5 file.txt

# Pipe from another command
curl https://jsonplaceholder.typicode.com/users | tweak json
cat file.yaml | tweak yaml-json

# Chain processors
echo "Hello World" | tweak base64-encode | tweak md5

# Write output to file
tweak yaml-json input.yaml > output.json

Commands

🔐 Encoding & Decoding

Command	Description
`base32-encode` / `base32-decode`	Base32 encode / decode
`base58-encode` / `base58-decode`	Base58 encode / decode
`base62-encode` / `base62-decode`	Base62 encode / decode
`base64-encode` / `base64-decode`	Base64 encode / decode
`base64url-encode` / `base64url-decode`	Base64 URL-safe encode / decode
`ascii85-encode` / `ascii85-decode`	Ascii85 encode / decode
`crockford-encode` / `crockford-decode`	Crockford Base32 encode / decode
`hex-encode` / `hex-decode`	Hexadecimal encode / decode
`binary-encode` / `binary-decode`	Binary encode / decode
`html-encode` / `html-decode`	HTML escape / unescape
`url-encode` / `url-decode`	URL encode / decode

#️⃣ Hashing & Checksums

Command	Description
`md5`	MD5 checksum
`sha1`	SHA-1 checksum
`sha224`	SHA-224 checksum
`sha256`	SHA-256 checksum
`sha384`	SHA-384 checksum
`sha512`	SHA-512 checksum
`bcrypt`	bcrypt hash
`adler32`	Adler-32 checksum
`crc32`	CRC-32 checksum
`xxh32` / `xxh64` / `xxh128`	xxHash checksums
`blake2b` / `blake2s`	BLAKE2 checksums

🔑 Cryptography & Security

Command	Description
`hmac-sha256` / `hmac-sha512`	HMAC-SHA256 / HMAC-SHA512
`aes-encrypt` / `aes-decrypt`	AES-256-GCM encrypt / decrypt
`argon2`	Argon2id password hash
`jwt-encode` / `jwt-decode`	JWT encode / decode
`password-gen`	Secure password generator
`totp`	TOTP code generator (RFC 6238)
`checksum-verify`	Verify file checksums

🔡 String Operations

Command	Description
`lower` / `upper` / `title`	Change case
`snake` / `kebab` / `camel` / `pascal` / `slug`	Convert case format
`reverse`	Reverse text
`trim`	Trim whitespace
`repeat`	Repeat text N times
`wrap`	Wrap text at width
`replace`	Find and replace
`escape-quotes`	Escape single and double quotes
`rot13`	ROT13 encode
`char-freq`	Character frequency analysis
`word-freq`	Word frequency analysis

📋 Line Operations

Command	Description
`sort-lines`	Sort lines alphabetically
`reverse-lines`	Reverse line order
`shuffle-lines`	Shuffle lines randomly
`unique-lines`	Remove duplicate lines
`count-lines`	Count lines
`number-lines`	Prepend line numbers

📊 JSON & Data Formats

Command	Description
`json`	Format / pretty-print JSON
`json-minify`	Minify JSON
`json-escape` / `json-unescape`	JSON escape / unescape
`json-yaml` / `yaml-json`	Convert between JSON and YAML
`json-toml` / `toml-json`	Convert between JSON and TOML
`json-xml` / `xml-json`	Convert between JSON and XML
`json-csv` / `csv-json`	Convert between JSON and CSV
`json-msgpack` / `msgpack-json`	Convert between JSON and MessagePack
`jsonl-json`	Convert JSONL/NDJSON to JSON array

⚙️ Generators

Command	Description
`uuid`	UUID v4 generator
`ulid`	ULID generator
`nanoid`	NanoID generator
`lorem`	Lorem ipsum generator
`now`	Current timestamp
`epoch`	Unix timestamp ↔ human date
`password-gen`	Secure password generator
`totp`	TOTP code (RFC 6238)

🎨 Developer Utilities

Command	Description
`rgb-hex`	RGB → hex color
`hsl-hex`	HSL → hex color
`hex-rgb`	Hex → RGB color
`base-convert`	Arbitrary base conversion
`zeropad`	Pad number with zeros
`qrcode`	Generate QR code in terminal
`morse-encode` / `morse-decode`	Morse code encode / decode
`caesar-encode` / `caesar-decode`	Caesar cipher
`markdown-html`	Markdown → HTML

🔍 Text Processing

Command	Description
`grep`	Filter lines by regex
`column`	Extract a field by position
`pad-left` / `pad-right`	Pad string to width
`regex-match`	Extract regex matches
`regex-replace`	Replace by regex
`remove-spaces`	Remove all spaces
`remove-newlines`	Remove all newlines
`count-words` / `count-chars`	Word / character count

✅ Validation & Detection

Command	Description
`validate-json`	Validate JSON
`validate-email`	Validate email address
`validate-url`	Validate URL
`detect`	Auto-detect and decode encoding
`extract-emails`	Extract all emails from text
`extract-urls`	Extract all URLs from text
`extract-ips`	Extract all IP addresses from text