↔️ Image Resizer

Resize images to exact pixel dimensions or by percentage. Lock aspect ratio to maintain proportions, or set custom width and height independently.

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Click to upload image

JPG, PNG, WEBP supported

About the Image Resizer Tool

Whether you need to resize a profile picture for LinkedIn (400×400px), create a Facebook cover photo (820×312px), or prepare images for a website header, our free online image resizer handles it all. Unlike many online resizers that upload your photos to remote servers, our tool processes images directly in your browser for complete privacy.

Common Image Size Requirements

LinkedIn Profile: 400×400 px (square)
Instagram Post: 1080×1080 px (square) or 1080×1350 px (portrait)
Facebook Cover: 820×312 px
YouTube Thumbnail: 1280×720 px (16:9)
Twitter/X Header: 1500×500 px
WhatsApp DP: 500×500 px minimum
Government Form Photos: Usually 200×230 px or 240×320 px
Passport Photo: 350×350 px (square, 3.5×3.5 cm at 100dpi)

Lock Aspect Ratio - Why It Matters

The "lock aspect ratio" option ensures your image maintains its original proportions when resizing. Without it, you might accidentally stretch or squish your image. We recommend keeping this option ON unless you specifically need to change the aspect ratio (which will distort the image).

How to Use ↔️ Image Resizer

Step 1: Upload Your Image
Click the upload area and select your image. The tool shows the original dimensions automatically.
Step 2: Choose New Dimensions
Enter desired width or height in pixels. If 'Lock aspect ratio' is checked (recommended), the other dimension adjusts automatically.
Step 3: Click Resize
Hit the Resize button. The image is processed in milliseconds, maintaining quality.
Step 4: Verify Dimensions
Check the new dimensions shown in the result box. Confirm they match your requirement.
Step 5: Download Resized Image
Click Download to save the resized image to your device.

Standard Image Size Requirements — Complete Reference for India

Whether you are filling a government form, creating social media content, or uploading a profile picture, knowing the exact image dimensions required saves time and avoids rejections.

Government and Official Document Photo Sizes

Passport Photo (India): 35mm × 45mm, minimum 200×260 pixels at 200 DPI. Background must be white or off-white.
Aadhaar Card Update Photo: JPEG format, minimum 100×100 pixels, maximum file size 1 MB.
PAN Card Application (NSDL/UTI): Photo should be 3.5cm × 2.5cm. Scanned at 200 DPI minimum. File size under 50 KB in JPEG format.
Voter ID (EPIC) Photo: Face covering 70–80% of the frame, 200×230 pixels minimum resolution.
UPSC Application Photo: 3.5cm × 4.5cm, 300 DPI for print quality, file size 40 KB–100 KB in JPEG.
Passport Application (BLS/VFS): 2 inches × 2 inches (51mm × 51mm), plain white background, face covering 70–80% of frame.
Driving Licence Application (Sarathi Portal): Photo size 35mm × 45mm, JPEG format, file size 20 KB to 80 KB.
Bank KYC Photo: Typically 200×200 pixels to 400×400 pixels, JPEG, under 100 KB.

Social Media Profile and Cover Image Sizes (2026)

Instagram Profile Picture: 110×110 pixels (displayed), upload at 320×320 for best quality. Circular crop applied automatically.
Instagram Post (Square): 1080×1080 pixels. Aspect ratio 1:1.
Instagram Story / Reel: 1080×1920 pixels. Aspect ratio 9:16.
Facebook Profile Photo: Minimum 180×180 pixels. Displayed at 170×170 on desktop.
Facebook Cover Photo: 820×312 pixels on desktop, 640×360 on mobile. Upload 820×360 for best results across both.
LinkedIn Profile Photo: 400×400 to 7680×4320 pixels. Square format preferred. Circular crop applied.
LinkedIn Background Photo: 1584×396 pixels (4:1 ratio).
Twitter/X Profile Photo: 400×400 pixels. Circular crop.
Twitter/X Header Photo: 1500×500 pixels.
YouTube Channel Art: 2560×1440 pixels. Safe area for text: 1546×423 pixels (center).
YouTube Thumbnail: 1280×720 pixels (16:9 ratio). Maximum 2 MB file size.
WhatsApp Profile Photo: Displayed at 500×500 pixels. Upload square images for best results.

E-commerce Product Image Sizes

Amazon India: Minimum 1000×1000 pixels (to enable zoom), maximum 10,000 pixels on any side, JPEG preferred, white background for main image.
Flipkart: Minimum 500×500 pixels, recommended 1000×1000 pixels. PNG or JPEG format.
Meesho Catalogue: Square 1:1 ratio, minimum 500×500 pixels, JPEG or PNG under 5 MB.

Understanding Image Resolution: PPI vs DPI vs Pixel Dimensions

These three terms are often confused but each has a specific meaning:

Pixels (px): The actual number of dots in the image. 1920×1080 means 1920 pixels wide and 1080 pixels tall. This is what our resizer changes.
DPI (Dots Per Inch): Used for printing only — tells the printer how many dots to print per inch. 300 DPI is the standard for high-quality prints. A 6×4 inch photo at 300 DPI needs 1800×1200 pixels.
PPI (Pixels Per Inch): Screen resolution — how many pixels display per inch on a monitor. Standard displays are 72–96 PPI. Retina displays are 220+ PPI.

For digital use (websites, social media, email), only pixel dimensions matter. For printing, DPI matters. Our tool resizes pixel dimensions — if you need a print-ready image, resize to the correct pixel count based on your target DPI and print size.

How to Resize Images Without Losing Quality

Resizing images can cause quality loss if done incorrectly. Follow these tips to maintain the best possible quality:

Always resize down, not up: Reducing an image from 2000px to 800px maintains quality. Enlarging from 800px to 2000px causes pixelation because the software has to "guess" the new pixels.
Maintain aspect ratio: Distorting aspect ratio (making an image wider without making it taller proportionally) creates unnatural-looking stretched images. Our tool's "Lock Aspect Ratio" option prevents this.
Start from the highest quality original: If you need a 200×200 pixel profile photo and a 1080×1080 social post from the same image, resize from the original high-resolution file each time rather than resizing the already-resized small version.
Use PNG for text and graphics: PNG is lossless — no quality reduction when resizing graphics with text, logos, or sharp edges. Use JPEG only for photographs.

Looking for SSC exam image requirements? Try our SSC Photo & Signature Resizer Online for SSC CGL, CHSL, GD, MTS and other SSC applications.

Frequently Asked Questions

Will resizing reduce image quality?

Reducing image size is generally fine - you may lose some sharpness on text-heavy images. Enlarging beyond original size will cause significant quality loss (pixelation).

What's the maximum size I can resize to?

We support up to 8000×8000 pixels output. However, extremely large outputs may be slow on older devices.

Can I resize multiple images at once?

Currently, the tool resizes one image at a time. For batch resizing, consider desktop apps like XnConvert (free) or IrfanView.

Why is my image distorted after resizing?

This happens when you uncheck 'Lock aspect ratio' and enter dimensions with different proportions than the original. Keep aspect ratio locked to avoid distortion.

Should I resize before or after compression?

Resize first, then compress. This way you start with the right dimensions, then compress to your target file size.

What image size should I use for a government job application photo?

For most Indian government job applications (UPSC, SSC, IBPS, State PSCs), the standard requirement is 3.5cm × 4.5cm at 200 DPI, which translates to approximately 276×354 pixels. The file is typically required in JPEG format under 50KB. Use our image resizer to get the correct pixel dimensions, then use the image compressor to bring the file size under the specified limit.

Can I resize an image to a specific file size (KB) using this tool?

Our image resizer changes dimensions (pixels). To reduce file size in KB, use our dedicated Compress Image to KB tool which lets you set an exact target file size. Both tools can be used together: first resize to the correct pixel dimensions here, then use the compressor to hit the required KB limit specified in your form or application portal.

Does resizing change the DPI of my image?

Our web-based resizer changes pixel dimensions only. The DPI metadata embedded in the file may remain unchanged or be set to 72 DPI (web standard). For most digital applications (websites, social media, online forms), DPI metadata does not matter — only pixel dimensions count. If you need a specific DPI for printing, use a desktop application like Adobe Photoshop or the free GIMP and use "Image Size" with the resolution option.