Author Archives: henry



xbase64 is a fast javascript base64 encoder and decoder;

Is it the fastest?

As far as I know it’s fast enough. Although it depends on far too many variables to enumerate, I wrote a test, the result below is for reference.

Tell me if you know a faster one. Continue reading


Webp-test is a javascript tool to check whether the browser support webp.

Why Webp-test?

WebP is an image format that employs both lossy and lossless compression. The degree of compression is adjustable so a user can choose the trade-off between file size and image quality. WebP typically achieves an average of 39% more compression than JPEG and JPEG 2000, without loss of image quality.
But a few browsers support WebP right now (as of April 2010, Google Chrome 9+ and Opera 11.10 beta), how to use it?
Now you can use webptest to test browser whether it supports.
Continue reading