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How to Compress a Photo to 100KB Exact While Keeping 300 DPI Print Sharpness

Reviewed by CompressPhoto Biometric & Imaging Lab • • Standard Format: 600 × 600 px (or Custom) (51 × 51 mm / Custom) — Target: ≤ 100.0 KB (102,400 Bytes)

A 100 KB (102,400-byte) limit is widely used by corporate HR badge systems, professional licensing boards, embassy portals, and scholarship applications.

Maximizing Detail Inside a 100 KB Budget

When you target 100 KB in CompressPhoto, the 7-pass binary search engine converges right between 95 KB and 99.8 KB—retaining high-frequency skin texture, eyeglasses detail, and crisp typography on scanned documents.

  • Sub-Pixel Sharpness: Preserves fine details up to 800×800 px or 600×600 px.
  • Zero Metadata Bloat: Strips unnecessary camera EXIF headers that often waste 30–60 KB on their own.
  • Instant PDF Option: Wrap your 100 KB image into a verified ≤ 100 KB PDF in one click.

Frequently Asked Questions

Does compressing to 100KB remove hidden EXIF GPS data?
Yes. Re-encoding on the browser HTML5 Canvas automatically strips all private camera EXIF and GPS metadata, saving kilobytes and protecting your privacy.