wxHexEditor is (nearly) perfect for this.

• Opens 10 GB+ files without any problem

• Very fast text search: ~1 minute to search a pattern in a 10 GB file whereas it takes 21 hours with another tool I tried (LTFViewer)

• Only drawback: I haven't found an option to display the text with newlines like a normal text. Only a hex view and a string preview right panel:

  

  Here it would be interesting to have it displayed as:

  hello
  world
  

  in another view than the "Hex" view.

wxHexEditor is (nearly) perfect for this.

• Opens 10 GB+ files without any problem

• Very fast text search: ~1 minute to search a pattern in a 10 GB file whereas it takes 21 hours with another tool I tried (LTFViewer)

• Only drawback: I haven't found an option to display the text with newlines like a normal text. Only a hex view and a string preview right panel:

  

  Here it would be interesting to have it displayed as:

  hello
  world
  

  in another view than the "Hex" view.

For me Notepad++ doesn't work: even with the 64-bit version, I get "File is too big to be opened by Notepad++" for a 7 GB file.

wxHexEditor is (nearly) perfect for this.

• Opens 10 GB+ files without any problem
• Very fast text search: ~1 minute to search a pattern in a 10 GB file whereas it takes 21 hours with another tool I tried (LTFViewer)
• Only drawback: I haven't found an option to display the text with newlines like a normal text. Only a hex view and a string preview right panel

wxHexEditor is (nearly) perfect for this.

• Opens 10 GB+ files without any problem

• Very fast text search: ~1 minute to search a pattern in a 10 GB file whereas it takes 21 hours with another tool I tried (LTFViewer)

• Only drawback: I haven't found an option to display the text with newlines like a normal text. Only a hex view and a string preview right panel:

  

  Here it would be interesting to have it displayed as:

  hello
  world
  

  in another view than the "Hex" view.