Merged TIF file size is more larger than the sum of single TIF files

HI,
I am merging 10 tif (each 5 KB) files into one Multi tif file using ImageIO of java api. But after merging the finaly file size is very huge than the sum of the 10 individual pages.. Example 10 * 5 KB = 50 KB but I am getting more than 700 KB etc... May be the format should be changed. I am using the "tif" format as follows.

Iterator writers = ImageIO.getImageWritersByFormatName("tif");
ImageWriter imageWriter = (ImageWriter) writers.next();
File destinationFile = new File(finalDestinationFilePath);

Is there any compressed format to minimized the size of final merged file.

I'd look at the documentation for the TIF format, to see what might be causing that. I believe TIF supports compression.

Hi,
When files are megered with IIOImage which I notieced is the merged file also displaying the thumbnail format . But the single files (which I need to merger) are not showing any image with thumnail. ( May be by default thumbnail is becoming enable, so size of mergedfile getting increased) How can I reduce the size of merged file ?

Try taking a single image and outputting it. If the size increases, it's something to do with IIOImage. Check the API to see if it suggests anything.