Compress image to 20 KB
Resize an image to 20 KB for the strictest upload forms: choose 20 KB, add your photo or signature, and download a JPG that fits, sharp enough to pass the check.
Who asks for a 20 KB image
Government exam and recruitment portals, university applications and some bank forms set tight limits for the photo and the signature, often between 10 and 50 KB each, sometimes with fixed pixel dimensions as well. A phone photo is 2 to 5 MB, more than a hundred times too big. At 20 KB a passport-style photo is still clear at the size the form shows it, as long as it is reduced to a few hundred pixels instead of being squeezed at full resolution.
What fits in 20 KB
- A passport-style face photo at about 200 × 230 to 350 × 450 pixels, clearly recognizable.
- A signature on white paper at 300 to 600 pixels wide, with clean strokes.
- A small screenshot or logo, saved as JPG or WebP.
- Not a full A4 document photo: its text becomes unreadable at 20 KB. Use 100 KB or more for documents.
Getting a clean 20 KB photo or signature
- 1If the form gives pixel dimensions, type them under Resize and untick Keep proportions only when the form insists on that exact size.
- 2Crop away the background around a signature before compressing: the empty paper still takes up room.
- 3Photograph signatures in daylight on plain white paper; shadows and gray paper cost more bytes than the ink.
Questions about compressing an image to 20 KB
How do I resize a photo to 20 KB?+
Choose 20 KB above, add the photo and click Compress to 20 KB. The image is reduced to the largest size that still fits at good quality and saved as a JPG under 20,000 bytes.
The form needs 20 KB and 200 × 230 pixels. Can I do both?+
Yes. Type 200 and 230 under Resize and untick Keep proportions, then compress to 20 KB. The photo is resized to exactly that size first, and the quality is set as high as 20 KB allows.
My 19 KB file is rejected for being over 20 KB. Why?+
Some sites count 1 KB as 1,024 bytes, others as 1,000. PDFkind stays under 20,000 bytes, which passes both ways of counting, so a file made here is accepted either way.
Can I convert an iPhone HEIC photo to a 20 KB JPG?+
Yes. Add the HEIC photo directly: it is converted to JPG and compressed in the same step, upright and without the location data.
Is my photo uploaded anywhere?+
No. Everything runs in your browser, so your photo and signature never leave your device.