Resize Signature
Start with 140x60 px and a 20 KB maximum, keep the aspect ratio locked by default, and adjust the values when your application requires something different.
Upload Your Signature
Drag & drop or click to select your image (Max 20MB)
Supports JPG, PNG, GIF, WEBP formats
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
UGC NET
CAT
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Fit a signature to the form you are completing
Adjust the three practical values that application portals commonly check while preserving legible handwriting and a clean background.
Editable 140x60 px starting size
Begin at a common 140x60 px signature size, then type a different width or height when the receiving form publishes another requirement.
Editable maximum 20 KB
Set the maximum file size directly, using 20 KB as the initial value for portals that reject signatures above a precise upload limit.
JPG selected by default
Create a compact JPG signature by default for common application systems, while checking whether your particular portal accepts another format.
Aspect ratio protected by default
The ratio starts locked so resizing one dimension keeps the signature proportions. Turn it off when a form requires an exact width and height independently.
One tool for different applications
Prepare signature images for recruitment, banking, government services, examinations, and other online applications without tying the page to one exam.
Local signature processing
Resize and compress the signature inside your browser, so the source handwriting image is not uploaded to ResizeBox for processing.
Resize a signature in three steps
Keep the form requirements nearby so the signature canvas and maximum file size match the current upload field.
Upload a clear signature
Choose a scan or photo with the complete handwriting visible against a clean, plain background.
Edit size and KB limit
Keep 140x60 px and 20 KB, or turn off Lock Aspect Ratio when you need to enter an exact width and height independently.
Resize and inspect the JPG
Process the signature locally, download it, and confirm that every stroke remains readable before submission.
Prepare a signature for your form
Enter the required width, height, and maximum KB, then create a clear JPG for the application you are completing.
Signature resizing FAQ
Answers about editable dimensions, maximum KB, JPG output, aspect ratio, clarity, and different application requirements.
The starting values are 140x60 px and a maximum file size of 20 KB. These are common for some online applications, but they are editable defaults rather than requirements for every exam, employer, bank, or government form.
Yes. Width and Height are editable number fields. The aspect ratio starts locked; turn it off when the form requires an exact width and height that do not match the current proportions.
Yes. Max File Size is editable. Replace 20 KB with the stated upload limit when your application accepts a smaller or larger signature file.
No. Recruitment sites, banks, examinations, and government services set their own rules. Always use the current instructions from the form you are submitting instead of assuming the defaults apply everywhere.
JPG is widely accepted by application portals and can produce small files suitable for precise KB limits. Confirm the accepted format because some services may request PNG, JPEG, or another specific file type.
It starts on to preserve the signature proportions while you resize. Turn it off when the application requires an exact width and height that must be entered independently.
Start with dark, clean handwriting on a plain light background, remove unnecessary empty margins through framing, and inspect the downloaded JPG. Very low limits can reduce detail, so use the exact maximum required.
No. The signature is processed locally in your browser. You control the source and downloaded result, which is particularly useful for personal documents used in recruitment, banking, and government workflows.
Popular resize presets
Jump to the most commonly used image sizes for your projects