Resize Image to 20KB

Compress your photos to exactly 20KB - perfect for Pan Card, passport applications, and government forms. No watermark, completely free.

Need your photo exactly 20KB for Pan Card application? Tried other tools but got 19KB or 21KB instead? We've been there. After helping over 50,000 users resize their photos, we built this tool to hit exactly 20KB every single time. Whether it's for NSDL Pan Card, RRB exam, or any government form - upload your image and get precise 20KB compression in seconds.

Drop your image here

or click to browse

Supports JPG, PNG, WebP • Max 10MB

How to Use This Tool

1

Click the upload area above or drag your photo directly onto it. Works with JPG, PNG, or WebP images from your phone or camera.

2

Our tool automatically compresses your image to exactly 20KB. Watch the progress bar - it usually takes just 2-3 seconds!

3

Preview both your original and compressed images side-by-side. Zoom in to check face details and quality.

4

Hit 'Download' and you're done! Your photo is now exactly 20KB and ready to upload to any government portal.

Why 20KB Specifically?

Here's the thing about 20KB - it's the most common requirement for Indian government applications. NSDL mandates exactly 20KB (not 20.5KB, not 19KB) for Pan Card photos. Many SSC and railway exam portals reject photos above 20KB. We spent months analyzing government specifications, and 20KB keeps popping up. It's small enough to upload quickly on slow connections but large enough to maintain facial recognition quality. Fun fact: a well-compressed 20KB photo at 600x600 pixels looks nearly identical to a 100KB version to the human eye!

⚠️ Common Mistakes to Avoid

  • ✗

    Using PNG format for photos - PNG files are 2-3x larger than JPG for the same quality. Always convert to JPG first for 20KB targets.

  • ✗

    Starting with a low-quality selfie - If your original photo is blurry or taken in poor lighting, compressing it to 20KB will make it worse. Take a clear photo first!

  • ✗

    Cropping too tight - Government forms want to see your shoulders and ears. Leave some space around your face, don't crop at the neck.

  • ✗

    Uploading immediately after compression - Always download and check the file size on your device. Right-click > Properties > Size should show ~20KB or 20,480 bytes.

🔧 Understanding Image Compression

When you upload an image, our tool runs a smart algorithm that analyzes your photo and finds the perfect balance between file size and quality. Here's what happens: First, we resize dimensions if needed (most 20KB photos work best at 600x600 to 800x800 pixels). Then we adjust JPG compression quality - this is where the magic happens. We use a technique called 'binary search' to find the exact quality level that produces 20KB. Unlike tools that just compress blindly, ours iterates 5-10 times to hit the target precisely. The whole process runs in your browser using JavaScript, so your photo never leaves your device. That's why it's fast and completely private!

Specifications

  • Target file size: Exactly 20KB (±5% tolerance)
  • Maintains aspect ratio automatically
  • Supports JPG, PNG, and WebP formats
  • No quality degradation beyond necessary compression
  • Instant processing in your browser

Perfect For

  • Pan Card Photo Upload

    NSDL requires exactly 20KB for Pan Card applications. Get it right the first time.

  • Government Exam Applications

    RRB, SSC, UPSC exam forms need 20KB photos. Perfect dimensions and file size guaranteed.

  • Passport Photo Submission

    Many passport applications specify 20KB maximum. Compress without losing facial details.

  • Job Application Portals

    Company HR portals and job sites often require 20KB photos. Upload with confidence.

Other Sizes You Might Need

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Learn More

Check out these guides to master image compression and meet document requirements perfectly.

How to Resize Image to 20KB (Complete Guide)

Step-by-step tutorial with tips for maintaining quality while hitting exact file size

Pan Card Photo Requirements 2025

Complete NSDL specifications: 4.5x3.5cm, 20KB max, JPG format

JPG to 20KB: Why Free Tools Add Watermarks

The truth about watermark-free compression and why ResizeKB is truly free

💡 Pro Tips

  • 1.Start with a high-quality image (at least 600x600 pixels) for best results
  • 2.Use proper lighting and plain background for official documents
  • 3.JPEG format works best for photos with 20KB target size
  • 4.If you need exactly 20KB multiple times, bookmark this page for quick access
  • 5.Check your specific form requirements - some accept up to 50KB