Compress Images to Exact KB Limits for US Government Uploads

Compress images to exact target sizes (e.g., 20KB, 50KB) or custom quality ratios with batch support. Dramatically reduce file sizes while preserving crisp pixel clarity for portal uploads, email limits, and web speed.

Click or drag images here to compress (Supports Batch)

Choose Images (Batch Supported)
100% Local In-Browser · Privacy Protected Without Cloud Upload Supports JPG, PNG, WebP · Up to 50MB

How to Compress an Image to a Specific KB Limit

Three simple steps to get your file size right for any upload form.

01

Upload Your Image

Drag and drop your JPG, PNG, or WebP file into the upload box. The process is instant and private.

02

Select Target Size

Choose your desired limit: Under 20KB, 50KB, 100KB, or 200KB. This tells the engine exactly how much to compress.

03

Download Compressed File

Click Compress and download your new file. Check the properties to confirm the KB size meets your requirement.

Top Use Cases for Precision Image Compression

Solve strict file size requirements for official documents and digital platforms without losing quality.

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US Passport & Visa Photo Compliance

Meet the strict <240KB or specific KB limits for DS-160, N-400, and Green Card applications. Ensure your 2x2" photo passes automated USCIS validation.

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Medical Portal & Insurance Uploads

Many health portals reject large attachments. Compress lab results, ID scans, or prescription images to under 100KB for seamless submission.

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Job Application & Background Checks

Upload crisp background check forms or professional headshots that fit strict email attachment or HR portal size limits without pixelation.

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Email Attachment Optimization

Bypass File Too Large errors. Reduce high-res JPG/PNG files to exactly 50KB or 20KB so they send instantly via Gmail or Outlook.

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E-commerce Product Listing Speed

Speed up Shopify or Etsy load times by compressing product shots to lightweight WebP or JPG formats while keeping white backgrounds pure.

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Social Media Profile & Banner Prep

Optimize profile pictures and cover photos for platforms with strict upload caps. Maintain clarity while reducing data usage for faster loading.

Why Dopic is the Best Tool for KB-Specific Compression

Privacy-first, precision-targeted, and completely free of watermarks.

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100% In-Browser Processing

Your photos never leave your device. All compression happens locally in your browser, ensuring absolute privacy and security for sensitive IDs.

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Exact Target Size Selection

Choose precise limits: Under 20KB, 50KB, 100KB, or 200KB. No guessing—get the exact file size required by government or corporate forms.

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Zero Watermark, Zero Ads

Clean, professional output every time. We do not add logos, watermarks, or intrusive ads to your compressed images.

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Preserves 300 DPI Print Quality

Unlike basic resizers, we maintain the original resolution density. Your compressed image is still ready for high-quality printing if needed.

100% FREE

Official US Government Photo Specs: Passport, Visa, Green Card, REAL ID. Print 4x6 sheets at Walmart/CVS for ~$0.39 vs $15.99 studio fees.

Frequently Asked Questions About Image Compression

Everything you need to know about reducing file size for US government and personal use.

Does compressing my image change its pixel dimensions (width x height)? +

No. Dopic reduces the *file size* (in KB/MB) by optimizing data encoding, not by shrinking the image width or height. Your 2x2" photo remains 2x2" in physical dimensions.

Will my photo still be usable for printing after compression? +

Yes. Dopic prioritizes maintaining 300 DPI (dots per inch). Even at lower KB targets like 50KB or 100KB, the image retains enough resolution for standard 4x6" prints.

Is it safe to upload my passport or ID photo to Dopic? +

Absolutely. Dopic processes everything entirely within your browser using client-side JavaScript. Your image is never uploaded to any external server, ensuring complete privacy.

What is the maximum file size allowed for US Visa (DS-160) photos? +

The US Department of State typically requires photos to be between 320x320 and 1200x1200 pixels, with a file size strictly less than 240KB. Our tool can easily target this limit.

Can I compress PNG images to meet strict KB limits? +

Yes. While JPG is often smaller, Dopic can optimize PNG files to hit specific KB targets (e.g., under 50KB) while preserving transparency if needed, though solid backgrounds work best with JPG.

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