How to Batch Convert BMP to JPG or JPG to BMP?

2018-02-19 21:00:00 / Posted by Connie Wisley to PDF Follow @ Connie

A BMP to JPG conversion is often performed to get files in smaller size or speed up the file uploading. To solve this problem, we here list several methods to batch convert BMP to JPG, even convert JPG to BMP easily.

What is a BMP file?

BMP format, also known as bitmap image file format, is used to store bitmap digital images.

BMP is really an old file format which works as the default file format on Windows and OS/2 operating system. It can store two-dimensional digital images in various color depths. Though it is lossless technically, it doesn’t have any compression, and this is also the reason why BMP files are quite large, even huge in size.

Hence, we need to convert the BMP files into smaller JPG. Since this is about the conversion on image files, generally speaking, if we can convert BMP to JPG, we can also convert JPG to BMP via the same method.

How to Batch Convert BMP to JPG/JPG to BMP on Mac?

Since BMP is a defaulted image format on Windows, mac users prefer to convert BMP to JPG even more than that of Windows users. 

Mac Preview is the free application built in MacOS to deal with image-based files, such as PDF and various image files. If you just have single BMP need to convert to JPG, it’s ok to go with Preview. Bu t if you want to convert in batch and with high image quality, go to the batch conversion solution.

Convert BMP to JPG or JPG to BMP on Mac with Preview

  1. Open BMP file with Mac Preview;
  2. Go to File>Export, then choose JPG as the output. If needed, adjust the image quality;
  3. Save the JPG file on mac;


  • If you want to convert JPG to BMP on mac with Preview, repeat above steps and choose BMP as the output;
  • Preview doesn’t support batch converting BMP to JPG on mac;

Batch Convert BMP to JPG or JPG to BMP on Mac

If you want to convert BMP to JPG in batch and keeps the original image file quality, you’d better find a good tool that is capable of performing virtually all conversions on image files. So, no matter you wan to convert BMP to JPG, or JPG to BMP, PNG to JPG, JPG to PNG, Tiff to JPG, JPG or Tiff, etc. you can kill all these all problems with only one tool.

PDF Converter OCR for mac, is such a powerful program allowing users to perform all kinds of conversions on image-based files. It can:

  • Convert images, including PNG to JPG, BMP to JPG, Tiff to JPG, Gift to JPG, and vise versa;
  • Convert images to searchable PDF, to editable Word, Text, Excel, Powerpoint, Keynotes, Pages, ePub, HTML, etc.;
  • Convert native and scanned PDFs into 16 formats;
  • Create PDF from images or other documents;
  • Merge, compress and unlock PDF when creating PDFs;
  • Batch conversion;
  • Retains high quality;

You just need to follow these 4 steps to batch convert BMP to JPG on mac.

  1. Download and install the free trial of the program. Run it on your mac.
    Free Download
  2. Go to “Converter”, drag and drop the BMP files into the program. Or you can click “+” to add BMP files.convert bmp to jpg mac01
  3. Choose the output as JPG. Also, you can perform OCR on images and make them in editable formats.convert bmp to jpg mac 02
  4. Click “Convert” to change BMP to JPG on mac. You will find the JPG outputs in output folder.

If you want to batch convert JPG back to BMP on mac with this program, repeat above steps and change the output as BMP.

Batch convert BMP to JPG/JPG to BMP on Windows PC

As for Windows users, Pixillion Image Converter is highly recommended. It enables users to convert any popular image files to another image format, such as psd, pdf, gif, jpg, tiff, bmp, ico, png, cr2, svg, wbmp, etc.

What’s more, users can utilize this program to tweak the image effects, for illustration, scaling, flip, watermark, font, opacity, color.

Follow the steps to batch convert BMP to JPG on Windows.

  1. Download and install the application on your computer, then run it;
  2. Click “Add files” to upload BMP files into the program;convert bmp to jpg mac
  3. Then choose output as “JPG” from the menu. If you want to add some effects onto your images, click “Effects” to tweak the settings, then click OK;convert bmp to jpg windows 02
  4. Finally, click “Convert” to change BMP to JPG on Windows;

If you want to convert JPG back to BMP in batch, repeat the steps but choose output as BMP.

Online free solution to convert BMP to JPG or JPG to BMP

A professional converter is always the best and most efficient way to do the conversion. But if you want a free method, or you don’t have to do such a conversion very often, online free solution is a good choice.

There are a bunch of free online converters out there. But among all the online converters we tested, Zamzar is the clear winner to batch converts BMP to JPG for free.

Zamzar is an online free program to convert documents, images, videos, audios and ebooks. It supports batch conversion and can maintain the file quality as much as possible. With 4 steps, you can get all your BMP files in JPG, or get your JPG files in BMP.

  1. Upload BMP files into the program;
  2. Choose output as JPG;
  3. Submit your email address to get the download link of JPG outputs;
  4. Click “Convert”, then download the JPG output according to the download link sent to your email address;convert bmp to jpg online


  • You may receive spams in your email account;
  • Don’t upload confidential BMP files for information safety;
  • Don’t upload enormous BMP for conversion, it will take muck longer time to process;
  • Wait patient if you don’t receive the download link, or repeat the steps to get JPG outputs;

If you want to convert JPG to BMP online, repeat these steps but select BMP as output.


Actually, we did took a long time to test all the options we found as qualified, and PDF Converter OCR for mac or the Image Converter for Windows is the best pick, each is simple to use, but advanced to get best conversion results. Particularly, you get more features than you can expect in them.

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