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Signature Resizer (10KB to 20KB)

Resize signature dimensions (PX, CM, MM, Inch) & compress image file size to exact KB (10KB–20KB) for all government applications.

50,000+Happy Users
120,000+Signatures Resized
4.9★User Rating

Select Or Drag & Drop Signature Image Here

Click to browse or drag & drop signature file

Supports JPG, PNG (Max 10MB)

Unit:
Width
×
Height
Target Size: KB

Auto scales quality iteratively to ensure output file size strictly stays ≤ target KB (e.g., 18 KB).

All image processing happens 100% inside your browser • Private & Secure

How to Resize Signature Image Online

Resize and compress signature images in 4 simple steps

1

Upload Signature

Click "Select Signature Image" or drag & drop your signature file.

2

Select Unit & Size

Choose Pixel, CM or MM and enter desired width and height dimensions.

3

Set Target KB (10-20KB)

Set Target Size to 18 KB (or 10-20KB limit required by form portal).

4

Download JPG

Click "Resize Signature Image" and download the exact compressed file.

Frequently Asked Questions

How to resize signature image size to 10kb to 20kb? ▼
Upload your signature photo, select unit (Pixels or CM), enter desired width/height, check 'Compress Image To Specific Size', enter 18 KB, and click 'Resize Signature Image'.
What is the standard signature size in cm for online forms? ▼
Standard signature dimensions for government portals (SSC, UPSC, IBPS) are 3.5 cm x 1.5 cm (140x60 px) with file size between 10KB and 20KB.
Is this signature resizer tool safe and private? ▼
Yes, 100% safe! All image processing happens locally in your browser canvas. Your signature image is never uploaded to any server.