Post GDS
CTET
NEET UG
SSC CGL
SSC CHSL
SSC GD Constable
SSC MTS
CUET UG
GATE
JEE Main
UPSC
NEET PG
Railway RRB
RRB ALP
RRB Group D
IOCL
Related Resize Tools
Resize images in different units, formats, or file sizes — all in one place.
Custom width & height in pixels, inches, cm, or mm.
Resize multiple images together and download everything in one ZIP.
Adjust image size in inches with DPI for printing.
Metric sizing for print and international formats.
Precise sizing for ID photos and official documents.
Optimize image size and DPI for high-quality prints.
Resize dimensions and compress file size in one step.
Resize or change image proportions for any layout.
Scale images to 25%, 50%, 75%, 200%, or a custom percentage.
Prepare NDA / CDS defence application images
ResizeBox uses a 350x350 working canvas for both uploads while applying the current separate UPSC file-size ranges.
350x350 photo working canvas
The Photo tab uses a 350x350 px working canvas and targets the current 20-200 KB photo range.
Three signatures in one JPG
The Signature tab prepares one JPG containing three specimen signatures arranged vertically and targets 20-100 KB.
Photo framing remains adjustable
Reposition the NDA / CDS candidate image so the face remains centered inside the working photo canvas.
Signature needs its own framing
Keep all three signature specimens visible with enough white space so none of the handwriting is clipped.
Separate current KB ranges
Photo targets 20-200 KB while the three-signature image targets 20-100 KB.
Live photograph is also required
Current UPSC NDA / CDS instructions also include a live photograph step during the application process.
Prepare NDA / CDS photo and signature
Use the working canvases while keeping the photo and three-signature image inside their separate current file-size ranges.
Choose the defence document
Select Photo for the 20-200 KB target or Signature for the 20-100 KB three-signature image.
Frame the source appropriately
Center the candidate face for Photo or keep all three specimen signatures visible in the Signature frame.
Create and label the JPG
Resize, inspect the result and save it with a clear Photo or Signature filename for the NDA / CDS form.
Prepare NDA / CDS application JPGs
Create the photo and three-signature JPG with their current separate file-size ranges.
NDA / CDS image sizing FAQ
Questions about the photo upload, three-signature image, current file-size ranges and live photograph requirement.
The current photo upload range is 20-200 KB. This page uses 350x350 px as its working photo canvas.
Prepare one JPG containing three specimen signatures arranged vertically and keep it between 20 and 100 KB.
Current UPSC guidance does not require one fixed photo pixel dimension, so 350x350 px is the working canvas used by this page.
Yes. Use the active UPSC Defence form as the final reference for the cycle you are completing.
Yes. Current NDA / CDS application instructions include a live photograph step in addition to the uploaded photo.
The current signature guidance accepts a larger signature image range, and 350x350 px provides a working canvas for arranging the three specimens vertically.
No. Photo targets 20-200 KB and the three-signature image targets 20-100 KB.
Yes. Even though this page combines the two labels, use the exact live application you are completing as the final upload reference.
Popular resize presets
Jump to the most commonly used image sizes for your projects