How to use Compress Image to 50 KB
- 1. Drop the image. The 50 KB target is already set.
- 2. Check the badge. 'Under 50 KB' confirms it fits; 'smallest possible' means the format can't go lower at readable size.
- 3. Download. Or add more files and grab a ZIP.
About this tool
At 50 KB the compressor usually needs both levers: quality first, then a proportional downscale. You still get the sharpest file that fits, because the search always prefers quality over resolution loss.
Getting better results at 50 KB
Crop away background, prefer WebP if the portal accepts it (25–35% smaller than JPEG), and avoid re-compressing an already-compressed image twice — always start from the original.
Code examples
Typical result
photo.jpg · 3.8 MB → 97 KB (−97%) · 1512×2016 · quality 82%Common form limits (pixels and KB)
Passport photo 413×531 px ≤ 50 KB (3.5×4.5 cm at 300 DPI)
Exam form photo 200×230 px ≤ 50 KB
Exam signature 140×60 px ≤ 20 KB
PAN card photo 213×213 px ≤ 30 KB
US visa photo 600×600 px ≤ 240 KB (2×2 in at 300 DPI)cm to pixels at 300 DPI
pixels = cm × 118.11
3.5 cm → 413 px · 4.5 cm → 531 px · 2 in (5.08 cm) → 600 px