FlowVidFlowVid.

Government tool

Bihar Police Constable Photo & Signature Resizer — CSBC Size, Free

Resize your photo and signatures for the CSBC Bihar Police Constable application. Pick Photo or Signature above the upload box: the photo is cropped to a passport shape and saved between 15 and 25 KB, and each signature is cropped to the ink on white paper at the same size. Everything runs on your device.

For Bihar Police Constable (CSBC), upload a colour photo taken within the last two months on a white background, 15–25 KB, in JPG, JPEG or GIF. Upload your signature twice — once in English and once in Hindi — as separate files, each 15–25 KB. CSBC does not set a pixel size.

100% private — your images never leave your device. No upload, no sign-up. Check it yourself: once this page loads, it works with your internet switched off.

413×531 · 25KBon-device · not uploaded

What are you uploading?

413×531 px · 15–25 KB · JPG

File size — choose what your form needs

Drop your image here

or click to browse

accepts: JPG, PNG, WebP, HEIC

Unlimited and free · processed on this device · nothing is uploaded

Upload sizes this page makes
UploadSizeFile sizeFormat
Photo413 × 531 px15–25 KBJPG
Signature413 × 177 px, 300 DPI15–25 KBJPG

Checked against the official notice · last checked 31 Oct 2026

CSBC sets file sizes only — no pixel size. The 413×531 px photo (3.5 × 4.5 cm at 300 DPI) and 413×177 px signature are our suggestion; any size works if the file is 15–25 KB. The same wording appears in Advt. 01/2026 and 02/2026.

Notices change between cycles — if yours says something different, follow your notice.

Compare every exam's photo & signature size →

UploadFile sizeFormatNotes
Photograph15–25 KBJPG/JPEG/GIFColour, taken within 2 months, white background
Signature (English)15–25 KBJPG/JPEG/GIFSeparate file
Signature (Hindi)15–25 KBJPG/JPEG/GIFSeparate file
CSBC Bihar Police Constable upload rules (Advt. 01/2025, checked 31 Oct 2026).
Example

What the result looks like

Example Bihar Police photo resized to 413×531 px, 15.1 KB JPG
Example Bihar Police photo resized to 413×531 px, 15.1 KB JPG.
Before and after: an original photo and the same photo made to 413×531 px (15.1 KB) with Bihar Police Photo Resize
Before and after: an original photo and the same photo made to 413×531 px (15.1 KB) with Bihar Police Photo Resize
Bihar Police Photo Resize size guide: 413 × 531 px, 15–25 KB, JPG
Bihar Police Photo Resize size guide: 413 × 531 px, 15–25 KB, JPG

How to bihar police photo resize

  1. Upload your photo or signature.
  2. The tool resizes it to 413×531 px and compresses it to the required size.
  3. Preview the result and check the dimensions and file size.
  4. Download the ready-to-upload file.

What you can use it for

  • CSBC Bihar Police and Bihar Special Armed Police constable forms
  • CSBC Special Branch Constable and Constable Operator forms
  • Fire service and other CSBC recruitments with the same rule
  • Re-uploading a rejected photo or signature

Why use FlowVid Tools

  • Private by design — your image is processed on your own device and is never uploaded to any server.
  • Completely free and unlimited — no daily cap, no watermark, no sign-up.
  • Fast — drop your image, get the result in seconds. No queues, no waiting.

Supported formats

This tool accepts JPG, PNG, WebP, HEIC as input and gives you a 413×531 px as output. Everything happens on your device in seconds — your file is never uploaded, so there is nothing for anyone to keep.

FAQ

Frequently asked questions

01

What is the photo size for Bihar Police Constable?

A colour photo taken within the last two months, on a white background, between 15 KB and 25 KB, in JPG, JPEG or GIF. CSBC doesn't fix the pixel size; this tool uses 413 × 531 px (3.5 × 4.5 cm).
02

Why do I need two signatures?

CSBC asks for your signature in English and in Hindi as two separate uploads. Sign each on white paper, then run them through this tool one after the other with Signature selected — each comes out 15–25 KB.
03

Can I choose the file size, and will the photo stay sharp?

Yes. Pick the size your form needs from the selector above the upload box. The photo is rendered at a high resolution and the exact proportions your form expects, so it stays sharp — a larger size keeps more detail, while a smaller size softens the image slightly rather than turning blocky. The default matches the size most forms ask for.
04

Can I resize my signature here too?

Yes. This page prepares every upload the form asks for — photo and signature. Pick one under "What are you uploading?" above the upload box and each is made at its own size (Photo 413×531 px, 15–25 KB; Signature 413×177 px, 15–25 KB). If you upload a signature while Photo is selected (or a photo while Signature is selected), the tool spots it and switches for you.
05

Is my photo uploaded anywhere?

No. The tool runs inside your browser, so your photo is read and processed on your own phone or computer and never sent to our servers or anyone else's. We never receive it, so we can't see, keep or share it — which makes it safe for sensitive documents like Aadhaar, PAN, passports and bank statements.
06

Is this tool really free? Is there a daily limit?

Yes, it's free with no daily limit. Because the work happens on your device, an extra photo costs us nothing — so there's no cap, no watermark and no account needed. Process as many files as you like.
Related

More tools you might need

🪪QUALITY

UP Police Photo Resize

UP Police signature: 140×60 px, 30–50KB (photo is live).

Open→
🪪QUALITY

BPSC Photo Resize

BPSC signature: 220×100 px, up to 15KB (photo is live).

Open→
🪪QUALITY

Police Constable / Agniveer Photo Resize

Resize a photo for police / Agniveer forms.

Open→
✍️QUALITY

Signature Resize 20KB

Resize a signature to under 20 KB.

Open→
Exams

Find your exam or ID form

Central & SSC

Banking

Railway

Entrance & NTA

Defence & police

Teaching & state

ID documents

Edit & resize

Resize, crop, rotate & compress PDF

Jump to a size

Compress to a specific size