What is the max length of browser URL for Window.Open

Question

I have this GWT code that opens a new browser window to show a text file.

    Window.open("data:text/plain;base64," + Base64.byteArrayToBase64(textBytes), "_blank", "");

My questions are:

How long is the maximum URL part that a browser can handle?
And what is the maximum bytes that this code will be able to handle properly?

I think you will get answered your first question here: http://stackoverflow.com/questions/417142/what-is-the-maximum-length-of-a-url-in-different-browsers — t3s0, Dec 29 '14 at 22:31

score 0 · Answer 1 · edited May 23 '17 at 11:59

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This has been answered:

What is the maximum length of a URL in different browsers?

The JS will operate until out of memory, but IE tops out at around 2K I believe.

Please don't do that btw...

edited May 23 '17 at 11:59

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answered Dec 29 '14 at 22:32

Derrek Bertrand

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score 0 · Accepted Answer · edited May 23 '17 at 10:28

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This appears to have been answered already at maximum length of HTTP GET request?

You can only safely assume 255 bytes, though some browsers currently support higher numbers. If you need to send more data, consider doing so in the body of a POST request instead.

edited May 23 '17 at 10:28

Community

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answered Dec 29 '14 at 22:33

user52889

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What is the max length of browser URL for Window.Open

2 Answers2