[apitman]

You can open a file for performant access in all major browsers. It's the same API used for uploading files (<input type="file" />), but you can also just load them into memory and do stuff.

[fooker]

Sure, with the caveat that the file is specifically selected by the user.

[phatskat]

Which sounds ideal for this scenario, right?

[baobun]

I read that as the ask, yes.