Chrome-Stats extension
TIFF viewer
Intercepts any resource requests that end in .tif or .tiff and converts them into data urls using an emscripten port of libtiff.
What is TIFF viewer?
Stats
- storage
- webRequest
- webRequestBlocking
- tabs
- <all_urls>
Other platforms
Summary
The TIFF viewer extension will intercept a number of different requests for tiff images, capture the data and render it appropriately in the browser.
By hooking into the browser request we can detect most requests that would load a tiff image. Normally the browser would abort such requests since it cannot render the format. Instead we take over and load the image data. We can then use an in memory canvas element to render the image with the help of libtiff.js, a javascript port of the C TIFF library. The canvas element then gives us a image URL containing the decoded data as a PNG image that we can redirect to instead.
The end result is that tiff images are intercepted, turned into PNG images and end up rendering just fine in the browser.
User reviews
이승환, 2021-05-17
Jan-Dirk Schreurs, 2020-01-07Safety
Risk impact
TIFF viewer is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install TIFF viewer if you trust the publisher.
Risk likelihood
TIFF viewer may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.
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