TiffOne is a browser extension that lets you view embedded TIFF images in your browser. It can be turned on and off from the browser icon on the menu bar of your browser.

It will convert your TIFF images into HTML canvases that can be displayed by modern browsers. It can view single pages and multi-page images in one file. It supports image thumbnails and scrolling. The thumbnails can be turned off to get the best view of the image. It provides an option for printing your images for a better viewing experience. It is 100% free.

TiffOne supports both horizontal and vertical image viewing. The horizontal viewing is supported in all browsers and the vertical in Google Chrome and Chromium-based Microsoft Edge. It provides a full-screen feature for viewing your images. It can be turned off when not needed. It doesn't collect or analyze any data of the user.