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FPSC Photo Size Guide: How to Compress Photo to Strictly Under 20KB

4 Min Read • Kakos Editorial Team • Updated: October 2026
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Candidates applying for federal civil service positions, CSS competitive examinations, or General Recruitment (GR) posts through the Federal Public Service Commission (FPSC) in Islamabad encounter one of the strictest image upload restrictions in Pakistan: "Picture size must be less than 20 KB."

Unlike other portals that allow 50KB or 100KB files, the FPSC web server strictly enforces a hard ceiling of 20,480 bytes. Uploading an image file of even 20.1 KB results in an immediate red error banner. In this guide, we break down the official FPSC photo criteria, the light blue background standard, and how you can prepare a compliant portrait directly from your smartphone.

Official FPSC Photo Criteria Checklist

Parameter Official Specification Applicant Guidance
Maximum File Size Strictly Under 20 KB Aim for 17 KB – 19 KB for guaranteed server acceptance.
Background Color Light Blue (#0077b6) Mandatory for FPSC admission certificates and CSS exams.
Format JPG / JPEG PNG, PDF, and TIFF files are rejected automatically.
Recommended Dimensions 150 x 200 Pixels Maintains crisp 3:4 portrait ratio on printed roll number slips.
Facial Visibility Front Facing (75% Face) Both ears and eyes visible; no dark sunglasses or hats allowed.

How to Compress to 18KB Without Blurring Your Face

When an image is compressed aggressively from 3MB down to 18KB, standard phone photo apps usually turn facial features into an unreadable pixelated blur. To compress effectively without quality degradation:

  1. Crop Tight First: Crop out excess shoulders, background walls, and torso. When the face occupies 75% of the canvas, the compression algorithm dedicates maximum byte density to your facial features.
  2. Resize Pixel Dimensions: Scaling a 4000x3000 smartphone capture down to 150x200 or 300x400 pixels eliminates 90% of unnecessary byte weight before lossy compression begins.
  3. Use Progressive Quality Tuning: Our client-side resizer tests multiple JPEG quantization levels in real time to locate the exact threshold between 17KB and 19.5KB.

FPSC Treasury Challan (Form TR-6) Upload Rules

In addition to your portrait photo, FPSC requires you to enter details from the original Treasury Challan (Form TR-6) deposited at the National Bank of Pakistan (NBP) or State Bank of Pakistan (SBP). While some posts require physical submission, online verification requires you to retain the original candidate copy for admission to the examination center. Keep your scanned receipt clear and legible.

Frequently Asked Questions (FAQ)

What happens if my photo is 20.2 KB on the FPSC portal?

The portal will reject the upload immediately with the message "Picture size exceeds 20KB." The file must be strictly smaller than 20,480 bytes (ideally 17 KB - 19 KB).

Does FPSC accept white background photos?

Official FPSC instructions mandatorily state a plain Light Blue background. While some white background photos slip through automated checks, using Light Blue guarantees 100% compliance during scrutiny.

Can I use a selfie taken with my smartphone for FPSC?

Selfies are discouraged because front cameras often distort facial proportions. Instead, ask someone to take a portrait from eye level with the rear camera, then crop and compress it using our tool.

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kakos.site is an independent educational portal and image utility. We are not affiliated with, authorized, or endorsed by PPSC, FPSC, NADRA, or any government department. All agency names and standards are referenced strictly for informational purposes.