Etherdelta recently change website address and old address is down. Apparently some people didn't save their public keys and lost some funds. I will show you how to restore them in your browser.

Chrome

• Open website https://etherdelta.github.io/
  
• Press F12 key or right click on site and choose inspect to open developer tools. You can adjust width of the panel.
  
• On the top of the panel choose Application
  
• On the left side choose Local Storage > Etherdelta
  
• In the Key field choose etherdelta then double click on the Value side and copy all the text inside.
  
• Paste it to notepad: only first 2 lines are usefull for you.
  
• You have your address in first line and private key in second, copy it and use in new etherdelta/myetherwallet/whatever you like. Voila!

Firefox

• Open website https://etherdelta.github.io/

• Press F12 key or right click on site and choose inspect to open developer tools.

• On the top of the panel choose Data then on the left side choose Local Storage > Etherdelta
  

• In the Key field choose value then double click and copy all the text inside.
  

• Paste it to notepad: only first 2 lines are usefull for you.
  

• You have your address in first line and private key in second, copy it and use in new etherdelta/myetherwallet/whatever you like. Voila!

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If you like my job you can donate: my eth address: 0xefe61da135dcc0195b22d3d3915f9148befbf44d