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Resize Image Dimensions Onlineफोटो की लंबाई और चौड़ाई (Pixels) बदलें

Resize image dimensions in pixels, cm, or percentage online. Lock aspect ratio, specify exact widths and heights for Indian exam portal forms. फोटो का पिक्सेल साइज (लंबाई-चौड़ाई) बदलें।

ऑनलाइन फॉर्म की मांग के अनुसार Width और Height (Pixels / CM) सेट करें।

💡सलाह: Aspect Ratio लॉक रखने से फोटो खिंचती या विकृत नहीं होती।

Resize Image Dimensionsफोटो का साइज (पिक्सेल) बदलें

Scale pixels, lock aspect ratio, or use standard Indian passport & exam form presets • पिक्सेल बदलें, अनुपात लॉक करें या फॉर्म प्रीसेट चुनें

Select an image to resize • रीसाइज करने के लिए फोटो चुनें

JPG, PNG, WebP up to 50 MB • फोन या कंप्यूटर से अपलोड करें

How to use Resize Image Dimensions Online

Follow these simple steps directly in your browser without any software download.

1

Select or Drag Images • फोटो चुनें या अपलोड करें

Upload 2 or more JPG, PNG, or WebP pictures from your smartphone, tablet, or desktop computer • अपने मोबाइल या कंप्यूटर से 2 या अधिक फोटो चुनें।

Zero upload • 100% private | 100% सुरक्षित टूल
2

Choose Layout & Spacing • लेआउट और सेटिंग चुनें

Pick side-by-side (horizontal), vertical stack, or grid. Adjust gap spacing, alignment, and background tone • साइड-बाय-साइड या ऊपर-नीचे चुनें और जरूरत अनुसार स्पेसिंग सेट करें।

Zero upload • 100% private | 100% सुरक्षित टूल
3

Instant Local Render & Save • तुरंत डाउनलोड करें

HTML5 Canvas joins your pictures instantly at 100% full resolution. Download your final file with zero watermark • बिना किसी वॉटरमार्क के हाई क्वालिटी में अपनी फोटो डाउनलोड करें।

Zero upload • 100% private | 100% सुरक्षित टूल

Resize Image Dimensions Online

Resize image dimensions in exact pixels or percentages to satisfy strict government portal specifications. Perfect for passport photographs, social media banners, website graphics, and exam admit card uploads.

Key Recommendations & Best Practices

  • Aspect Ratio Lock: Prevent squishing or stretching with our 1-click aspect ratio lock (Width/Height link).
  • Exam Dimension Presets: Pre-calibrated presets for UPSC (350 x 350 px), IBPS (200 x 230 px), and standard passport (600 x 600 px).
  • Percentage Scaling: Quickly scale an image to 25%, 50%, or 75% of original dimensions for rapid size reduction.
  • Bicubic Pixel Smoothing: Uses advanced interpolation to prevent jagged edges on fine lines, hair, and text.

Resampling Algorithms & Pixel Interpolation

Implements multi-step mipmapped downsampling to prevent aliasing artifacts and moiré patterns.

Calculates DPI conversion: Pixels = Inches * DPI (e.g. 3.5 cm at 300 DPI = 413 pixels).

Validates target dimensions against browser memory safety limits (max 16,384 x 16,384 px).

Maintains original 24-bit RGB / 32-bit RGBA color depths without color banding.

Key Recommendations & Best Practices

  • Implements multi-step mipmapped downsampling to prevent aliasing artifacts and moiré patterns.
  • Calculates DPI conversion: Pixels = Inches * DPI (e.g. 3.5 cm at 300 DPI = 413 pixels).
  • Validates target dimensions against browser memory safety limits (max 16,384 x 16,384 px).
  • Maintains original 24-bit RGB / 32-bit RGBA color depths without color banding.

Pixel Dimensional Standards for Indian Examinations

Indian testing authorities (UPSC, SSC, NTA, IBPS) reject photos that do not match exact pixel dimensions upon upload, returning errors like "Invalid image dimensions".

Key Recommendations & Best Practices

  • UPSC requires candidate photo to be strictly between 350x350 and 1000x1000 pixels.
  • IBPS Banking requires candidate photo to be exactly 200 x 230 pixels, and signature 140 x 60 pixels.
  • Keep Aspect Ratio Lock enabled unless the portal explicitly specifies fixed non-proportional dimensions.
Indian Document & Examination Compliance • भारतीय सरकारी दस्तावेज व परीक्षा दिशानिर्देश

Pixel Dimensional Standards for Indian Examinations

Indian testing authorities (UPSC, SSC, NTA, IBPS) reject photos that do not match exact pixel dimensions upon upload, returning errors like "Invalid image dimensions".

Key Guidelines for Official Submissions • सरकारी फॉर्म के लिए मुख्य नियम:

  • UPSC requires candidate photo to be strictly between 350x350 and 1000x1000 pixels.
  • IBPS Banking requires candidate photo to be exactly 200 x 230 pixels, and signature 140 x 60 pixels.
  • Keep Aspect Ratio Lock enabled unless the portal explicitly specifies fixed non-proportional dimensions.
Verified Portal Standards

Indian Government & Exam Portal Specifications

Official dimensional and file size requirements for top Indian recruitment & document portals

Portal / AgencyDocument TypeTarget DimensionsFile Size LimitCompliance Tip
UPSC One Time Registration (OTR)Square Passport PhotoStrictly 350 x 350 px (Square 1:1)20 KB – 300 KBCenter your head and shoulders inside the square box with 10% margin above hair.
IBPS Banking & SBI PO/ClerkPortrait Passport PhotoStrictly 200 x 230 px (Aspect Ratio 1:1.15)20 KB – 50 KBDo not stretch square photos; use our lock-ratio tool with auto-fit margins.
IBPS / SBI Banking SignatureHorizontal Signature StripStrictly 140 x 60 px (Aspect Ratio 7:3)10 KB – 20 KBEnsure the signature is clearly visible and centered horizontally.
UPSC Signature UploadWide Signature BannerStrictly 1000 x 350 px (Wide Aspect)20 KB – 300 KBKeeps high-resolution stroke thickness for signature authentication.
US Visa (DS-160) & International Passport2x2 Inch Square PortraitStrictly 600 x 600 px (Square 1:1, 300 DPI)Under 240 KBHead height must be between 50% and 69% of the image total vertical height.
State Police & Defense Recruitment (Constable/SI)Full Chest & Face Portrait480 x 640 px (Portrait 3:4)30 KB – 100 KBStand straight facing camera with ears visible on both sides.

Tip: MergeImage.in processes your files locally on your phone or PC, guaranteeing instant compliance without server wait times.

Technical Architecture & Processing Limits

Resampling Algorithms & Pixel Interpolation

Implements multi-step mipmapped downsampling to prevent aliasing artifacts and moiré patterns.
Calculates DPI conversion: Pixels = Inches * DPI (e.g. 3.5 cm at 300 DPI = 413 pixels).
Validates target dimensions against browser memory safety limits (max 16,384 x 16,384 px).
Maintains original 24-bit RGB / 32-bit RGBA color depths without color banding.
Troubleshooting & Fixes

Common Errors & Troubleshooting Guide

Quick solutions to common upload errors, portal rejections, and browser canvas issues

Why this happens:

Forcing a non-square photo into square dimensions without maintaining aspect ratio distorts facial proportions.

Recommended Fix:

Always enable "Lock Aspect Ratio" or use "Smart Fit" which adds clean white side margins instead of stretching.

Engineered for Absolute Speed & Total Privacy • बेजोड़ स्पीड और 100% गोपनीयता

Why students, job applicants, and professionals across India rely on MergeImage.in every day • पूरे भारत में छात्र, उम्मीदवार और नागरिक MergeImage.in का उपयोग क्यों करते हैं

Privacy Guaranteed • 100% सुरक्षित

Real In-Browser Processing • 100% सुरक्षित ब्राउज़र प्रोसेसिंग

Your photos and sensitive Aadhaar or PAN documents never touch a remote cloud server. आपकी फोटो और निजी दस्तावेज किसी भी बाहरी सर्वर पर अपलोड नहीं होते, सब कुछ आपके फोन में ही होता है।

Instant Execution • सुपर-फास्ट

Sub-Second Render Speeds • तुरंत 0 सेकंड में तैयार

Powered by native HTML5 Canvas acceleration. Merges high-resolution photos in under a second. बिना किसी इंतजार के तुरंत हाई रेजोल्यूशन में फोटो जोड़ें।

Zero Rejection • फॉर्म रिजेक्ट नहीं होगा

Indian Portal Calibrated • सरकारी फॉर्म के लिए तैयार

Built-in presets for UPSC, SSC, IBPS, and State PSC application portals to guarantee your files meet strict KB limits. सरकारी पोर्टल के कड़े साइज और पिक्सल नियमों के अनुसार।

Lossless Clarity • ओरिजिनल क्लैरिटी

Original Optical Sharpness • बिल्कुल साफ और HD क्वालिटी

Maintain original DPI and sharpness with bicubic image smoothing. No blurry text on marksheets or IDs. मार्कशीट या आधार कार्ड के अक्षर बिल्कुल साफ और पढ़ने योग्य रहते हैं।

Universal Support • हर डिवाइस पर सपोर्ट

Works on Any Phone or PC • सभी मोबाइल और कंप्यूटर पर उपलब्ध

Fully responsive mobile-first architecture. Seamlessly merge photos on Android smartphones, iPhones, and cyber cafe PCs. बिना किसी ऐप को डाउनलोड किए किसी भी फोन या कंप्यूटर पर इस्तेमाल करें।

Completely Clean • वॉटरमार्क-फ्री

100% Free Without Watermarks • बिना वॉटरमार्क बिल्कुल फ्री

No hidden subscription fees, no sign-ups or email requirements, and zero watermarks stamped on your downloaded pictures. कोई फीस नहीं, कोई लॉगिन नहीं और डाउनलोड पर कोई वॉटरमार्क नहीं।

Got Questions? • सवाल-जवाब

Frequently Asked Questions about Resize Image Dimensions Online

Everything you need to know about merging, formatting, and file privacy • फोटो जोड़ने, साइज कम करने और सुरक्षा से जुड़े सभी सवालों के जवाब

Upload your photo to our Resize tool, uncheck "Maintain Aspect Ratio" if your original photo is slightly rectangular, type 350 in Width and 350 in Height, and click Download.

Explore Related Image Tools • अन्य उपयोगी फोटो टूल्स

Discover more fast, browser-based utilities to prepare and optimize your visual files • अपने फोटो और डॉक्यूमेंट्स को तैयार और ऑप्टिमाइज़ करने के लिए अन्य टूल्स

Compress Image Size

Reduce KB size after resizing dimensions.

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Crop Photo

Crop to exact aspect ratios like 1:1 or 3:4.

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Photo & Signature Merger

Combine photo and signature into pre-scaled format.

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