Biometric Standards & KYC Digital Guidelines

Aadhaar Photo Size – Dimensions, Pixels, KB & Online Resizer

An Aadhaar photo is a core biometric credential governed by the Unique Identification Authority of India (UIDAI). For official Aadhaar enrolment and photo updates, an authorized operator captures your photograph live on-site at an Aadhaar Seva Kendra.

However, numerous external portals, recruitment exams, state scholarship portals, and digital KYC workflows frequently ask applicants to submit an "Aadhaar / Passport Size Photo" matching standard 3.5 × 4.5 cm (35 × 45 mm) dimensions in 413 × 531 pixels between 20 KB and 100 KB.

Use our free, in-browser Aadhaar photo maker and resizer below to instantly crop, adjust 7:9 aspect ratio, clean backgrounds, and compress your image to exact form limits with 100% client-side privacy.

Aadhaar Photo Maker & Resizer Studio

3.5×4.5 cm / 7:9 Ratio

100% In-Browser Privacy • Zero Server Upload

Free Passport Photo & Signature maker and resizer Studio

Live ratio cropper, SSC, RRB, UPSC, GDS and other exams, government forms like Aadhar, PAN, voter card photo compressor and resizer in KB, MB, JPG, JPEG, background cleaner & A4 print sheet maker.

Popular:

Click to Upload or Drag & Drop Photo / Signature

Supports JPEG, PNG, WebP up to 15MB. Automatically launches interactive editing studio.

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Aadhaar Dimension & Pixel Calculator

Interactive Converter

Passport Photo Ratio Calculator & Sizing Tool

Calculate exact simplified aspect ratios, millimeter to pixel conversions, and DPI resolutions.

1. Select Document Preset (or Enter Custom Dimensions)

Width (MM)

Height (MM)

DPI Standard (Resolution)

Aadhaar Card (UIDAI Portal) Guidelines:

UIDAI standard biometric photo specification for online self-service updates and enrollment centres.

Background: Plain White Background | Face: 70% – 80%

Calculated Aspect RatioDecimal: 0.778

7:9(7 Width : 9 Height)

35.0mm × 45.0mm (3.50 × 4.50 cm) simplifies to an exact aspect ratio of 7:9.

Print Size @ 300 DPI413 × 531 pxStandard studio photo print

HD Size @ 600 DPI827 × 1063 pxHigh-definition biometric scan

Recommended File Weight (KB):20 KB – 100 KB

Official Documents Matching Ratio (7:9):

Indian Passport (PSK Standard)Aadhaar Card (UIDAI Portal)UK Visa & Immigration (UKVI)Schengen Visa (Europe - 29 Nations)Driving Licence (Parivahan Sarathi)SSC Exam Forms (CGL, CHSL, MTS)UPSC Civil Services / NDARailway RRB (ALP, NTPC, Group D)Voter ID (ECI NVSP Portal)Singapore Visa (ICA)Australia Visa & PassportSSC JE Live / Upload Photo (3.5 × 4.5 cm)RRB JE Candidate Photo (35 × 45 mm)

Crop & Format Photo in Photo Maker

Standards & KYC Matrix

Aadhaar Photo Specification Table

Distinguishing official UIDAI enrolment rules from standard digital KYC preparation recommendations.

Requirement / Parameter	Technical Details	Official vs Recommended
Official UIDAI Card Photo Capture	Live digital webcam capture on-site at Aadhaar Seva Kendra / Enrolment Centre	Official UIDAI Mandate
Digital KYC / Form Dimensions	3.5 cm × 4.5 cm (35 mm × 45 mm)	Standard Indian KYC Format
Aspect Ratio	7:9 Aspect Ratio (0.778 decimal)	Standard Recommendation
Digital Pixels @ 300 DPI	413 × 531 Pixels	Standard Print Resolution
Digital Pixels @ 600 DPI	827 × 1063 Pixels	High-Density Studio Print
File Size for Online Uploads	20 KB to 100 KB (Max 200 KB)	Standard Portal Range
File Format	JPEG / JPG (24-bit RGB)	Universal Standard
Background Color	Plain White or Light Off-White without shadows	Biometric Requirement
Facial Area Coverage	70% to 80% of total image from chin to crown	Biometric Requirement

Important UIDAI Clarification: While external application portals accept user-uploaded digital photos matching the 35×45 mm standard, UIDAI itself strictly captures your official Aadhaar photograph in person at an authorized Aadhaar centre. For current official circulars and appointment booking, visit uidai.gov.in or myaadhaar.uidai.gov.in.

Aadhaar Photo Size: Quick Guide

Understanding aadhaar photo size requires distinguishing between two distinct use cases:

1. Official Aadhaar Card Enrolment / Update

Handled directly by UIDAI operators using biometric hardware. You do not bring or upload a photo; the webcam captures your portrait live on-site.

2. Third-Party Forms & Digital KYC Uploads

When applying for bank accounts, government exams, job portals, or driving licenses requesting an "Aadhaar size photo", you submit a digital 35 × 45 mm (413 × 531 px) image under 100 KB.

Aadhaar Photo Size in CM and MM

The standard aadhaar photo size in cm is 3.5 cm (width) × 4.5 cm (height). In millimeters, the exact aadhaar photo size in mm is 35 mm × 45 mm.

This corresponds to a 7:9 aspect ratio (35 ÷ 45 = 7/9 ≈ 0.778). Unlike PAN card photos which use a smaller 2.5 × 3.5 cm (5:7) physical size or a 213×213 px square digital crop, Aadhaar-style photos preserve standard passport proportions. To compare other Indian dimensions, explore our standard photo size in cm guide.

Aadhaar Photo Size in Pixels (aadhaar card photo size in pixels)

The required aadhaar photo size in pixels depends on the target display or print density (DPI):

Standard Print (300 DPI)

413 × 531 Pixels

Recommended for KYC uploads & color prints

High Resolution (600 DPI)

827 × 1063 Pixels

For lab printing on photo paper sheets

Web Screen (100 DPI)

138 × 177 Pixels

Lightweight thumbnail preview on mobile forms

Aadhaar Photo Size in KB (aadhaar photo upload size)

For digital portals requiring an aadhaar photo size in kb, the standard acceptable range is 20 KB to 100 KB (with certain recruitment portals allowing up to 200 KB).

If your original smartphone camera photo is 2 MB to 5 MB, uploading it directly will trigger a "File size too large" error. Our aadhaar photo compressor compresses image data using optimized JPEG quantization tables so your file settles safely between 20 KB and 50 KB while keeping facial details crisp. You can also use our specialized compress image to 50KB tool.

Aadhaar Photo Requirements, Background & Face Position

Whether attending an enrolment centre or preparing digital KYC, adhering to standard biometric rules ensures instant acceptance without rejection:

Biometric Acceptance Criteria

Background: Plain white or light off-white without patterns
Face Proportion: 70% to 80% facial area from chin to top of forehead
Gaze: Direct frontal view looking squarely into the camera lens
Eyes & Expression: Both eyes open and clearly visible; neutral expression
Spectacles: Clear prescription glasses permitted; no glare or thick dark frames

Common Reasons for Rejection

Selfie angles with tilted shoulders or perspective facial distortion
Dark, colored (blue/red), textured, or outdoor backgrounds
Wearing sunglasses, tinted glasses, caps, or headwear casting shadows
Harsh shadows across the face or uneven background lighting
Heavy digital beauty filters, retouching, or red-eye blur

Aadhaar Photo for Online Update & Digital Resizing

A frequent source of confusion among applicants is whether the official Aadhaar card photo can be updated online through the UIDAI self-service portal.

UIDAI's automated deduplication system matches your facial biometrics against a nationwide database. To prevent identity fraud, biometric updates (Photo, Fingerprints, Iris) cannot be completed over the internet. You must visit an authorized center for a live scan. However, for external portals requiring an aadhaar photo size for online update (such as state welfare or exam portals), our in-browser aadhaar photo resize tool prepares compliant files in seconds.

How to Make Aadhaar Size Photo on Mobile (aadhaar photo size for mobile)

You do not need a desktop computer or professional photo studio to prepare a compliant photo. Follow this 4-step mobile guide:

STEP 1

Capture in Bright Light

Stand 4–5 feet away from a plain wall facing a window.

STEP 2

Upload to Tool

Open this webpage on your smartphone browser and tap 'Choose Photo'.

STEP 3

Align & Clean Background

Pinch-to-zoom to fit the guide; toggle auto white background.

STEP 4

Download Ready JPEG

Download the 35×45 mm JPEG compressed under 50 KB directly.

How to Change Aadhaar Photo: Step-by-Step Procedure

If your current Aadhaar card photograph is outdated or unclear, you can update it at any authorized centre across India:

1. Book an Appointment (Optional but Recommended)

Visit the official UIDAI portal (myaadhaar.uidai.gov.in) and select "Book an Appointment" at your nearest Aadhaar Seva Kendra to avoid long queues.

2. Visit the Centre with Your Current Aadhaar Card

No supporting document (like address or identity proof) is required for biometric/photo update. Only your existing Aadhaar number or card is required.

3. Live Biometric & Photo Capture

The operator takes a fresh photograph using the official camera hardware along with fingerprint and iris verification.

4. Pay the Nominal Fee & Collect URN

Pay the standard UIDAI biometric update fee of ₹100. You receive an Update Request Number (URN) to track status online. The new photo typically reflects within 15 to 30 days.

Common Aadhaar Photo Mistakes to Avoid

1. Paying Fraudulent Websites for "Online Photo Upload"

Never pay third-party websites claiming to update your official Aadhaar photo online. UIDAI handles all biometric updates exclusively via physical Aadhaar Seva Kendras.

2. Confusing PAN 213×213 px Square with Aadhaar 35×45 mm

PAN card online upload requires a square 213×213 pixel crop, whereas Aadhaar / Passport standard requires a 7:9 rectangular 35×45 mm crop. Use our PAN card photo size guide if applying for PAN.

3. Incorrect Face Proportion on Digital Forms

Taking a full-body or waist-up picture and uploading it without cropping results in an unidentifiable, small face on printed ID cards. Ensure 70% to 80% face framing.

Related Passport & Identity Photo Resizers

Explore our complete collection of dedicated in-browser photo converters and dimension calculators:

Passport Photo Maker

Create Indian 3.5×4.5 cm & international passport photos.

Passport Photo in CM Chart

Full dimension matrix in CM, MM, Inches & Pixels.

Passport Photo Dimensions

Detailed aspect ratio and pixel resolution guidelines.

PAN Card Photo Size

NSDL & UTIITSL 213×213 px and signature sizing guide.

MB to KB Compressor

Compress large camera images to strict KB limits.

Govt Documents Resizer

Universal image formatter for SSC, UPSC, and State Exams.

Reviewed by Vijay Chaudhary (Lead Developer & Content Writer)

Last Updated: September 2026

Disclaimer & Non-Affiliation Notice: passportsizephotoratio.in is an independent educational and image processing resource. We are not affiliated with, endorsed by, or connected to the Unique Identification Authority of India (UIDAI) or any government entity. The Aadhaar logo and name are registered trademarks of UIDAI. Official rules regarding biometric enrolment, live capture, and update fees are determined solely by UIDAI. Always verify current instructions directly on uidai.gov.in before scheduling appointments.

Knowledge Base & FAQs

Frequently Asked Questions (Aadhaar Photo Size FAQs)

Accurate answers to common queries about Aadhaar photo dimensions, live capture, pixels, KB compression, and updates.

What is the Aadhaar photo size?▼

For official UIDAI enrolment and biometric updates, photographs are captured live via digital cameras at an authorized Aadhaar Seva Kendra. For digital KYC, third-party forms, and printed identity records, the standard recommended Aadhaar photo size follows the standard Indian passport format of 3.5 cm × 4.5 cm (35 mm × 45 mm) with a 7:9 aspect ratio.

What is the size of Aadhaar card photo?▼

On the physical Aadhaar letter and PVC card, the printed photo is approximately 3.5 cm wide by 4.5 cm high. When digital portals request an Aadhaar-compliant photo, it corresponds to 35 × 45 mm (or 413 × 531 pixels at 300 DPI) with a plain white background.

What is Aadhaar photo size in pixels?▼

At standard print resolution of 300 DPI, Aadhaar photo size is 413 × 531 pixels. At high-definition 600 DPI, it is 827 × 1063 pixels. For web forms with standard 72–96 DPI screens, 132 × 170 pixels to 200 × 257 pixels is commonly used.

What is Aadhaar photo size in KB?▼

When uploading photos to online KYC, recruitment, or verification portals that request Aadhaar-style photos, the standard recommended file size is between 20 KB and 100 KB in JPG/JPEG format.

What is Aadhaar photo size in cm?▼

The recommended physical size in centimeters is 3.5 cm (width) × 4.5 cm (height). This 3.5×4.5 cm dimension is the universal standard for Indian biometric identity documents.

What is Aadhaar photo size in mm?▼

In millimeters, the recommended dimension is 35 mm (width) × 45 mm (height), featuring 70% to 80% facial coverage from crown to chin.

Can I upload a photo for Aadhaar online?▼

No. UIDAI does not allow uploading a personal photograph or selfie online through the myAadhaar portal for your official Aadhaar card. UIDAI requires live biometric image capture in person at an authorized Aadhaar Enrolment Centre / Aadhaar Seva Kendra to maintain biometric integrity.

How to resize photo for Aadhaar card?▼

To resize a photo for digital KYC and application forms: 1) Upload your picture to our Aadhaar Photo Maker above. 2) Select the 'Aadhaar Card' preset (35×45 mm / 7:9 ratio). 3) Align your head within the biometric guide. 4) Download the cropped, compressed JPEG file.

How to reduce Aadhaar photo size in KB?▼

Use our built-in MB to KB Compressor or select a target size mode in the studio editor above. It utilizes optimized JPEG quantization to reduce 2MB–5MB phone photos down to 20–50 KB or 50–100 KB without losing facial sharpness.

How to make Aadhaar size photo online?▼

Open our free browser-based Aadhaar photo maker, upload your portrait, center your face, click 'Auto White Background' if necessary, and export the file. No software installation or account registration is required.

How to make Aadhaar photo on mobile?▼

Take a well-lit photo using your smartphone in front of a white or light wall with both ears and shoulders visible. Open this page on your mobile browser (Chrome/Safari), upload the image, adjust the crop circle, and tap 'Download' to save the ready JPEG to your gallery.

What background is required for Aadhaar photo?▼

A plain white or light off-white background is standard. Enrolment centres use a white screen backdrop. For third-party digital uploads, avoid patterned, dark, or outdoor backgrounds.

Can I change my Aadhaar photo?▼

Yes. You can update your Aadhaar photograph at any time by visiting any authorized Aadhaar Enrolment Centre or Aadhaar Seva Kendra (ASK). No documentary proof is required for biometric/photo update.

How can I update my Aadhaar photo?▼

To update your photo: 1) Book an appointment online at myaadhaar.uidai.gov.in or walk into a nearby Aadhaar Seva Kendra. 2) Fill out the Aadhaar Enrolment/Correction Form. 3) The operator will take a live photograph and biometric scan. 4) Pay the nominal UIDAI biometric update fee (₹100) and collect your URN acknowledgement slip.

Is Aadhaar photo captured at the enrolment centre?▼

Yes. UIDAI operators always capture your photograph live on-site using a calibrated digital web camera against a white backdrop to verify live presence and biometric deduplication.

Can I use an old passport-size photo for Aadhaar?▼

You cannot submit a physical printed photo or upload an old passport photo to replace your official Aadhaar card image. However, for third-party exam, banking, or KYC portals asking for an 'Aadhaar-size photo', you can easily format an existing clear photo using our online tool.

Can I change Aadhaar photo online?▼

No. While demographic details like Name, Address, and Date of Birth have supported online update flows, biometrics (Photograph, Fingerprints, and Iris) strictly require physical presence at an Aadhaar Seva Kendra for live capture.

What are the Aadhaar photo requirements?▼

Key biometric standards include: Frontal view looking straight into camera, neutral expression with closed mouth, both eyes clearly open, no head coverings (unless religious, without facial shadow), no tinted sunglasses, and plain white background with 70–80% face coverage.

What format should an Aadhaar photo be?▼

For digital forms and KYC uploads requesting an Aadhaar-style photo, the universally supported format is JPEG / JPG in 24-bit RGB color.

How do I compress an Aadhaar photo?▼

Upload your picture to our Aadhaar Photo Resizer or compress image to 50KB tool. Adjust the compression slider to reduce the file weight while preserving biometric facial clarity.