Is it possible to change .png to .jpeg?

[stefek99]

Here is my use case:

• I have a png image roughly 2.7MB size
• I would like to reduce size client-size
• after drastic resize and compression it's still 1.1MB
• I believe it is still stored as .png
• image of the same size but with .jpeg extension after same resizing parameters is less than 100k.

Here are the available options: https://github.com/gokercebeci/canvasResize#options

Would introducing extension options be much work?

Happy 30 :)
Michal

[gangli2010]

If you check the output base64 string/dataURL, you can see the image type is in the very beginning. I believe .png can be converted to .jpeg, because this is working for me.
Btw, for large size image, there may be some bugs, and it also depends on the browser/os you are using. e.g. for IOS, there is sub-sampling problems.

[tareqlol-zz]

canvas.toDataURL("image/jpeg", 1.0); this will create a base 64 images with the type you want.

For more info check this :
https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toDataURL