Question: Is there an online OCR tool that can make TIFFs searchable?

Answer: Yes, there is an online OCR tool from CVISION Technologies that accepts files in TIFF, PDF, JPEG, and BMP format. CVISION is a long time provider of OCR and document capture technology. Their OCR engine is powered by the most accurate OCR engine in the market. CVISION offers a free online OCR tool which also features PDF conversion and web optimization so that your documents are better to work with.

To use free online OCR conversion from CVISION, go to:

http://www.cvisiontech.com/online-conversion/general/main.html