This tool converts between compressed and uncompressed bitcoin keys.
The main purpose is as a diagnostic tool.
The input key is not a bitcoin key.
You can use this tool without having to be online.
In your browser, select file save-as, and save this page as a file.
Double-click that file to open it in a browser on any offline computer.
Alternatively, download the file from the repository - https://github.com/iancoleman/keycompression
Get the source code from the repository - https://github.com/iancoleman/keycompression
BitcoinJS - https://github.com/bitcoinjs/bitcoinjs-lib
BitcoinJS BIP38 - https://github.com/bitcoinjs/bip38
BitcoinJS WIF - https://github.com/bitcoinjs/wif
jQuery - https://jquery.com/
Twitter Bootstrap - http://getbootstrap.com/