Sttr – Cross-Platform, Cli App To Perform Various Operations On String


sttr is command line software that allows you to quickly run various transformation operations on the string.

// With input prompt

// Direct input
sttr md5 "Hello World"

// File input
sttr md5 file.text
sttr base64-encode image.jpg

// Reading from different processor like cat, curl, printf etc..
echo "Hello World" | sttr md5
cat file.txt | sttr md5

// Writing output to a file
sttr yaml-json file.yaml > file-output.json

:movie_camera: Demo


:battery: Installation

Quick install

You can run the below curl to install it somewhere in your PATH for easy use. Ideally it will be installed at ./bin folder

curl -sfL | sh


MacOS / Linux

curl -sS | sh


curl.exe | powershell

See here


If you are on macOS and using Homebrew, you can install sttr with the following:

brew tap abhimanyu003/sttr
brew install sttr


sudo snap install sttr

Arch Linux

yay -S sttr-bin


scoop bucket add sttr
scoop install sttr


go install


Download the pre-compiled binaries from the Release! page and copy them to the desired location.

:books: Guide

  • After installation simply run sttr command.
// For interactive menu
// Provide your input
// Press two enter to open operation menu
// Press `/` to filter various operations.
// Can also press UP-Down arrows select various operations.
  • Working with help.
sttr -h

// Example
sttr zeropad -h
sttr md5 -h
  • Working with files input.
sttr {command-name} {filename}

sttr base64-encode image.jpg
sttr md5 file.txt
sttr md-html
  • Writing output to file.
sttr yaml-json file.yaml > file-output.json
  • Taking input from other command.
curl https: // | sttr json-yaml
  • Chaining the different processor.
sttr md5 hello | sttr base64-encode

echo "Hello World" | sttr base64-encode | sttr md5

:boom: Supported Operations


  • [x] ascii85-encode – Encode your text to ascii85
  • [x] ascii85-decode – Decode your ascii85 text
  • [x] base32-decode – Decode your base32 text
  • [x] base32-encode – Encode your text to base32
  • [x] base64-decode – Decode your base64 text
  • [x] base64-encode – Encode your text to base64
  • [x] base85-encode – Encode your text to base85
  • [x] base85-decode – Decode your base85 text
  • [x] base64url-decode – Decode your base64 url
  • [x] base64url-encode – Encode your text to url
  • [x] html-decode – Unescape your HTML
  • [x] html-encode – Escape your HTML
  • [x] rot13-encode – Encode your text to ROT13
  • [x] url-decode – Decode URL entities
  • [x] url-encode – Encode URL entities


  • [x] bcrypt – Get the Bcrypt hash of your text
  • [x] md5 – Get the MD5 checksum of your text
  • [x] sha1 – Get the SHA1 checksum of your text
  • [x] sha256 – Get the SHA256 checksum of your text
  • [x] sha512 – Get the SHA512 checksum of your text


  • [x] camel – Transform your text to CamelCase
  • [x] kebab – Transform your text to kebab-case
  • [x] lower – Transform your text to lower case
  • [x] reverse – Reverse Text ( txeT esreveR )
  • [x] slug – Transform your text to slug-case
  • [x] snake – Transform your text to snake_case
  • [x] title – Transform your text to Title Case
  • [x] upper – Transform your text to UPPER CASE


  • [x] count-lines – Count the number of lines in your text
  • [x] reverse-lines – Reverse lines
  • [x] shuffle-lines – Shuffle lines randomly
  • [x] sort-lines – Sort lines alphabetically
  • [x] unique-lines – Get unique lines from list


  • [x] remove-spaces – Remove all spaces + new lines
  • [x] remove-newlines – Remove all new lines


  • [x] count-chars – Find the length of your text (including spaces)
  • [x] count-lines – Count the number of lines in your text
  • [x] count-words – Count the number of words in your text


  • [x] hex-rgb – Convert a #hex-color code to RGB
  • [x] hex-encode – Encode your text Hex
  • [x] hex-decode – Convert Hexadecimal to String


  • [x] json – Format your text as JSON
  • [x] json-escape – JSON Escape
  • [x] json-unescape – JSON Unescape
  • [x] json-yaml – Convert JSON to YAML text
  • [x] json-msgpack – Convert JSON to MSGPACK
  • [x] msgpack-json – Convert MSGPACK to JSON


  • [x] yaml-json – Convert YAML to JSON text


  • [x] markdown-html – Convert Markdown to HTML


  • [x] extract-emails – Extract emails from given text
  • [x] extract-ip – Extract IPv4 and IPv6 from your text
  • [x] extract-urls – Extract URls your text ( we don’t do ping check )


  • [x] escape-quotes – escape single and double quotes from your text
  • [x] completion – generate the autocompletion script for the specified shell
  • [x] interactive – Use sttr in interactive mode
  • [x] version – Print the version of sttr
  • [x] zeropad – Pad a number with zeros
  • [x] and adding more….

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