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How to Compress Pictures

This tutorial covers Movavi Photo Batch for Windows.
If you use a Mac, download Movavi Photo Editor for Mac.

Modern cameras make it possible for everyone to take stunning photos in high definition. Thanks to great image quality, every single detail is crystal-clear. But these images can create very large files, which may cause problems if you want them for email or social networks. And if you have a collection of HD images, they will take up a lot of space on your hard drive. To improve the situation, you need lossless image compression software.

We suggest you use Movavi Photo Batch – a handy program for bulk photo editing. In addition to compressing pictures, the program will also let you apply auto contrast, improve picture quality with the click of a button, change picture resolution, and much more. Don’t worry if you’ve never tried editing photos – the intuitive Photo Batch interface will make using all its functions easy. Just download the program and follow the step-by-step guide below.

Step 1: Install the Software

Run the installation file and follow the on-screen instructions.

Step 2: Add Files to Photo Editor

Add Files to Photo Editor

Click the Files button in the upper left corner of the program window and choose the images you want to compress. If you’re adding a whole folder, hit Folder and pick the one you need. Alternatively, you can drag and drop files and folders onto the program window.

Step 3: Specify Image Format and Compress Files

Specify Image Format and Compress Files

Changing image format to JPEG is probably the most common and effective way of lossy compression. If your files are already in this format, you can compress them even more by reducing the picture quality. To do this, choose Format and Quality on the right and open the Output format list to see the formats available for conversion (JPEG, PNG, BMP, TIFF). Choose JPEG from the Output format list. Drag the slider on the JPEG Quality bar to set the appropriate quality level, remembering that higher image quality means larger output file size. Don’t set the quality too low (<50%) or your image will suffer from color distortion and pixelation.

Save Compressed Files

If you need to downsize TIFF files while keeping the original format and quality, pick TIFF from the Output format list and choose a lossless compression algorithm below. The LZW algorithm compresses an image to about half its original size with no loss in quality. PackBits offers less compression than LZW, but this method is the most widely supported, especially by Apple software. ZIP is best for compressing images with 16-bit color depth. You can check the color depth of your pictures in the image file properties.

Step 4: Save Compressed Files

Press the Batch Export button in the lower right of the program window and pick the appropriate save option:

Save Compressed Files
  • Save to new folder: saves the edited photos to a separate folder. You can stay with the default directory or choose a different one.
  • Save to original folder and back up originals: exports your files to the original folder and moves the source images to the Backup folder.
  • Replace originals: exports the edited photos to the source folder, replacing the originals. Remember that, if you pick this option, the original pictures will no longer be available.
  • Rename and save next to originals: saves the edited photos to the same directory as your source files.

Click OK to start compressing photos. In a few moments you will see a message that your files have been successfully saved.

Awesome! Now, with Movavi Photo Batch, compressing image size is a piece of cake!

Movavi Photo Batch

  • Resize entire photo albums at once
  • Change image format in bulk
  • Batch-rename image files
  • Auto-enhance quality of multiple photos
  • Work with all popular image formats

Movavi Photo Editor

  • Improve image quality
  • Remove objects, replace backrounds
  • Add filters and captions
  • Retouch faces and add makeup
  • Crop, rotate, flip, and resize images

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