# Base64 canvas export seems corrupted
**URL:** https://community.thunkable.com/t/base64-canvas-export-seems-corrupted/2035085
**Category:** Questions about Thunkable X
**Created:** [September 9, 2022, 9:27pm UTC](https://community.thunkable.com/t/base64-canvas-export-seems-corrupted/2035085 "2022-09-09T21:27:26Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@chay](https://community.thunkable.com/u/chay)
#### Post date: [September 9, 2022, 9:27pm UTC](https://community.thunkable.com/t/base64-canvas-export-seems-corrupted/2035085/1 "2022-09-09T21:27:26Z")
Hi,
I am trying to upload my canvas’ base64 string to my server.
I can get the string uploaded no problem, and it appears to be a proper base64 string
e.g.:`data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAABdwAAAJYCAYAAAB4syQkAAAAAXNSR0IArs4c6QAAIABJREFUeF7s3Q3UlVWdKPAt30ggiKIYwWuaNqXw............................BCmgr8P9wxlSeRO0LRwAAAABJRU5ErkJggg==`
But when I try to open the base64 image using ![]() it seems to be a corrupt image.
The Base64 string generated by thunkable canvas seems to be so much longer than other base64 strings I generate using php etc. It also contains lots of whitespaces which base64 doesnt usually contain from memory?
Has anyone experienced this before? Is there something I need to do to convert this on server side? is it a non standard Base64 image?
PS: I’ve tried many iterations of blocks etc. Including wrapping it in a JSON object.
thanks
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### Author:  [@tatiang](https://community.thunkable.com/u/tatiang)
#### Post date: [September 9, 2022, 11:09pm UTC](https://community.thunkable.com/t/base64-canvas-export-seems-corrupted/2035085/2 "2022-09-09T23:09:02Z")
When I save the canvas using the Image block and assign it to a text input , it generates a long base64 string… in my case… 76,690 characters long! But there weren’t any spaces. I don’t know how that compares to other base64 image strings but it sounds like it’s really, really long.
However, I was able to view the canvas image by pasting the string into this site: [Base64 to Image Decoder / Converter](https://codebeautify.org/base64-to-image-converter).
I then converted an image on my computer using a different site and it generated a string that was 12,427 characters long.
Hopefully someone else has a bit more knowledge about this topic…
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### Author:  [@system](https://community.thunkable.com/u/system)
#### Post date: [December 8, 2022, 11:09pm UTC](https://community.thunkable.com/t/base64-canvas-export-seems-corrupted/2035085/3 "2022-12-08T23:09:55Z")
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