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 Video Instructions

Video guide showing how to reduce size of image image files. You can reduce by percentage or by setting a specific target file size.
Image Compressor Guide | Reduce Size of image Files

You can reduce image file size by setting a specific desired output file size or reduce by percentage.
  1. Enter the desired IMAGE file size in kilobytes and then click "Next".
    Reduce image Below Specific Size
  2. To reduce IMAGE by percentage, click the "By Percentage" tab and enter your desired percentage reduction. E.g. 30 for 30% file size reduction and click "Next".

    Reduce image By Percentage
You will be redirect to the correct file compression page. The page contains further instructions for reducing IMAGE file size.

At ezyZip, we offer an advanced compression feature that allows you to reduce the size of your IMAGE files either by setting a specific target file size or by selecting a percentage reduction. This functionality is perfect for tailoring IMAGE files to meet various requirements or limitations. Whether you need to comply with size constraints for uploads and emails, or simply want to save disk space, you can easily customize the compression to fit your needs.

ezyZip processes files directly in your browser. Unlike most online tools, your files are not uploaded to our servers, which means faster processing and better privacy. Take a look at the feature comparison below and we think youll agree that ezyZip is the better choice for your file conversion needs.

FeatureezyZipOther Online Tools
No Software InstallationWorks Directly in BrowserWorks Directly in Browser
Processing LocationYour Browser (No Upload)Their Servers (Upload Required)
Privacy & Security100% Private (Files Never Leave Your Device)Files Uploaded, Accessible by Others
Processing SpeedFast (No Upload/Download Time)Slow (Upload + Process + Download)
Registration RequiredNeverOften Required for Large Files
Works OfflineYes (After Page Load)No
Image Format Support100+ Image FormatsLimited (JPEG, PNG, GIF only)
Compression QualitySmart Quality OptimizationBasic Compression
Batch ProcessingProcess Multiple ImagesOne at a Time
Cost100% FreeFree with Limitations / Paid Tiers
EstablishedSince 2009 (15+ Years)Recent (May Disappear)

Why client-side IMAGE image compression keeps your photos private

Every pixel of your IMAGE images is processed within your browser's WebAssembly sandbox when using ezyZip. Here is why local image compression is technically superior:

  • Desktop-Class EngineThe Emscripten-compiled image processing engine runs the same class of algorithms used by professional desktop tools — including advanced quantization, chroma subsampling, and progressive encoding — entirely within isolated browser memory.
  • Multiple Compression ModesChoose between quality-based, percentage-based, or target-size compression. Each mode uses a different optimization strategy to balance visual quality against file size for your specific needs.
  • Efficient Batch DownloadsCompressed outputs are staged through the Origin Private File System for efficient batch downloading. Process and download hundreds of images in a single operation without repeated file-picker interactions.
  • Automatic CleanupSession cleanup ensures processed image data does not persist beyond your active browser session. Temporary files in the Origin Private File System are automatically purged when stale, keeping your browser storage clean.

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Compress IMAGE

Convert and compress image files

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