Luna4
Images · Luna4

Compress multiple images

Add your images and Luna4 will optimize them automatically. Download them together in a ZIP.

Image QueueThe files are processed one by one to save the device memory.
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Add multiple imagesYou will see the progress and result of each file. You can then download them separately or together in ZIP.
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Original weight0 B
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Process a batch without uploading it to a server

Luna4 processes images one by one to reduce memory usage. You can apply a common quality or search for a target weight per file, review each result, and download everything to a ZIP.

When is batch mode appropriate?

  • Prepare many photos for mail or forms.
  • Optimize a folder of images before uploading it to a website.
  • Apply consistent settings without manually repeating the process.

Frequently Asked Questions

Does ZIP recompress images?

No. The ZIP groups the results; The images were already optimized before being included.

Why is the limit 30?

The limit helps protect memory, especially on phones. You can process another batch when finished.

Related Guides

See all
How to compress multiple images at onceOrganize a batch and avoid repeating the same process file by file.How to download multiple images in ZIPGroup results and understand when to use a ZIP.How to compress many photos for emailReduce a group of attachments without losing more quality than necessary.