압축기 v1.0

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Settings

Compression

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Compress images to exactly 100 KB.

Hit exact file size targets with our precision compressor. Whether you need to squeeze an image under 100 KB for a job application, 500 KB for email, or any other limit, the target-size mode handles it automatically.

The encoder iteratively adjusts quality, resolution, and format-specific parameters to land within 5% of your target. No more manual trial-and-error — just set the size and download.

Key features

  • Precision target-size compression within 5%
  • Works with JPEG, PNG, WebP, and AVIF
  • Adjustable target from 0 to 2000 KB
  • Automatic quality and resolution optimization
  • Side-by-side preview to verify quality

How to compress to 100kb — step by step

  1. Drop your image: Drag any image format onto the upload area.
  2. Set the target size: Enable "Target size" in the Custom panel and enter 100 KB. The compressor automatically adjusts settings to hit it.
  3. Preview the result: Use the comparison slider to verify that the compressed image meets your quality standards at the target size.
  4. Download: Save your compressed image. It is guaranteed to be under your target file size.

Common use cases

Whether you are a photographer, web developer, e-commerce manager, or social media creator, optimizing images before publishing saves bandwidth, improves page load times, and ensures compatibility with platform-specific requirements. Our browser-based compressor works with all major image formats and processes everything locally for your browser with no uploads.

Need to convert images between formats? Try our Image Converter. To resize images for any platform, use the Image Resizer. For rotation and flipping, check the Image Rotator. To crop images with preset aspect ratios, use the Image Cropper.

Compress to 100KB

Frequently Asked Questions

  • How do I compress an image to exactly 100 KB?

    Enable "Target size" in the Custom settings panel and enter 100. The compressor iteratively adjusts quality and resolution to hit your target within 5%.

  • Does target-size compression affect image quality?

    The encoder finds the highest quality setting that still meets the target. A detailed photo at 100 KB will show more compression than a simple logo at the same size.

  • What formats support target-size compression?

    Target-size mode works with JPEG, PNG, WebP, and AVIF output. Each format uses format-specific strategies to hit the target.

  • Why would I need to compress images to 100 KB?

    Many platforms have strict file size limits: job applications, government forms, email attachments, CMS image fields, and some social media platforms cap images at 100 KB.

  • Can I target other sizes besides 100 KB?

    Yes. The target size slider goes from 0 (off) to 2000 KB. Set any value that fits your platform requirement.