PAN Card Photo and Signature Size Converter
Make a 2.5 × 3.5 cm photograph and a 3.5 × 1.5 cm signature at exactly 300 DPI, ready for NSDL or UTIITSL.
Why PAN card photo and signature sizes matter
A PAN card application is rejected far more often for a badly sized photograph than for a spelling mistake. The Income Tax Department's form accepts a photograph of 2.5 cm by 3.5 cm and a signature of 3.5 cm by 1.5 cm, and both have to be sharp enough to print at 300 dots per inch. When you take a photo with a phone and upload it as-is, the image is usually 3000 pixels wide, which is twenty times larger than needed. The portal either refuses it or squeezes it down until the face is a blur. This converter does the arithmetic for you: it crops your photograph to exactly 295 by 413 pixels and your signature to exactly 413 by 177 pixels, which are the 300 DPI equivalents of 2.5 × 3.5 cm and 3.5 × 1.5 cm.
What counts as a valid PAN photograph
The photograph has to be a recent colour picture of your full face, taken from the front, with both ears visible if possible and no dark glasses. The background should be plain white or a very light colour, and there should be no shadow falling behind your head. A photo taken against a wall in daylight works well; a photo taken at night with the phone flash usually produces a bright hotspot on the forehead and a hard shadow on the wall, and that is exactly the kind of picture that gets flagged. Keep your expression neutral and do not crop the top of your hair. If you are wearing a head covering for religious reasons, the face must still be clearly visible from the chin to the forehead.
What counts as a valid PAN signature
The signature must be yours, in black or dark blue ink, on plain white paper, and it must not touch the edges of the box. Sign with a normal pen rather than a gel pen that blobs, and sign large on the paper — roughly three times bigger than the final box — then let this tool shrink it down. Shrinking a large signature keeps the strokes smooth, while enlarging a tiny one makes the lines look jagged and pixelated. If you photograph the paper, place it flat near a window and shoot straight down so the signature is not distorted by perspective.
How the converter works
Upload the photograph in the left box and the signature in the right box. The photograph is centre-cropped to the 2.5 × 3.5 cm frame; if your face sits too high or too low you can move it with the vertical slider, and if your head looks small inside the frame you can zoom up to 220 percent. The signature is cleaned up by turning every pixel lighter than the threshold into pure white, which removes the grey paper texture and any faint scan lines. The result is drawn on a white background, because that is what the PAN form expects, but you can switch to a transparent PNG if you are pasting the signature into a PDF instead.
Both outputs are rendered at exactly 300 DPI, which is the print resolution the form was designed around. The file size box is optional: leave it empty for maximum quality, or type a number such as 20 to keep each image under that many kilobytes, which is useful when a portal has a strict upload limit. The third button places the photo and the signature side by side on one white sheet with a thin cut line, so you can print it once, cut the two pieces out and paste them on a physical form.
Printing and pasting tips
Print the sheet on plain A4 paper at 100 percent scale — never "fit to page", because that shrinks the photo below the required size. Use a colour printer for the photograph; a black and white print will be rejected. Cut along the thin guide line with scissors rather than tearing the paper, and use a glue stick instead of liquid glue so the paper does not wrinkle. If you are applying online, upload the two files separately rather than the combined sheet, because the portal expects two distinct uploads.
Common mistakes that cause rejection
The most common mistake is uploading a selfie taken at an angle, which makes one side of the face larger than the other. The second is a signature that runs outside the box, which happens when people sign directly inside a tiny rectangle instead of signing large and shrinking. The third is a photograph with a coloured background, such as a blue wall or a curtain; even a light beige wall can look grey once printed. The fourth is file size: many applicants upload a two megabyte photo and the portal times out. Setting a 20 to 50 kilobyte limit in this tool avoids that entirely without making the face unreadable.
Frequently asked questions
What is the exact PAN card photo size in pixels?
At 300 DPI the photograph is 295 by 413 pixels, which is 2.5 cm by 3.5 cm. At 200 DPI the same physical size is 197 by 276 pixels, but 300 DPI is the safe choice for printing.
What is the exact PAN signature size?
The signature box is 3.5 cm by 1.5 cm, which is 413 by 177 pixels at 300 DPI. Keep a small margin inside the box so the strokes are not clipped when printed.
Can I use a mobile photo for the PAN card?
Yes, as long as it is a front-facing colour photo on a plain light background, taken in daylight without flash, and your full face is visible. This tool crops it to the correct size.
Does this tool upload my documents anywhere?
No. The cropping and compression happen inside your browser using the canvas API. Nothing is sent to a server, and closing the tab erases everything.
Why is my signature file still large?
A transparent PNG keeps every pixel, so it is always bigger than a JPG. If a portal has a strict limit, choose the white background and set a maximum file size in kilobytes.
The signature box is smaller than you think
A PAN form wants a signature 3.5 by 1.5 cm. That is smaller than a postage stamp. People sign inside a box that size on paper, the strokes merge into a blob, and the scan looks like a smudge. The right way is the opposite: sign large on a blank sheet, roughly three times the final size, then shrink the image down. Shrinking averages neighbouring pixels, so the lines stay smooth. Enlarging a small signature just makes the jagged edges bigger.
Photographing a signature is where most attempts fail. A phone held at an angle creates perspective distortion, so one end of the signature is thicker than the other. A shadow across the paper turns into a grey band that survives the threshold. The fix is boring: put the paper flat near a window, hold the phone parallel to the paper, and shoot straight down. Daylight from the side shows you the shadow before you press the button.
For digital forms, a transparent PNG is what you want. For anything that will be printed and pasted, white background is safer, because a printer will render transparent areas as white anyway and some viewers show them as black.
Fix it in this order
- Sign large, then shrink — never the other way round.
- Shoot straight down in daylight, no flash.
- Keep a margin inside the box so strokes are not clipped.
- Transparent PNG for digital forms, white JPG for printing.
- Most portals want the signature under 20 KB; check before uploading.
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