Reduce Image Size to KB Online
Hit strict upload file size caps like 20 KB, 50 KB, 100 KB, or 200 KB for government portals, visa submissions, job applications, and student exams. Intelligent local binary-search compression with complete privacy.
Drag and drop an image here
JPG, PNG or WebP — one image at a time
Common Portal Limits & Target Size Reference Standards
Verify strict upload size ceilings for passport authorities, visa portals, and entrance examinations worldwide.
US Visa & Passport DS-160
Max: ≤ 240 KBSquare 1:1 crop, compress quality ~80%
Schengen Visa Photo Upload
Max: ≤ 200 KBPortrait 3:4 crop, quality ~75%
Government Job / UPSC Exam
Max: 20 KB – 50 KBPrecision dimension scale + target 40 KB
Academic Entrance & College Forms
Max: ≤ 100 KBTarget 85 KB to provide safe buffer
State DMV / Driver License Portal
Max: ≤ 500 KBBalanced compression with zero downscaling
Email Signature & Newsletter Logo
Max: ≤ 30 KBEnforce low KB to avoid email clipping
E-Commerce CMS Product Upload Cap
Max: ≤ 150 KBLossy WebP at 75% quality
How to Reduce Image Size to Target KB in 3 Steps
1. Upload Your Image
Drag and drop any high-resolution photo or scan into the tool. Supports JPG, PNG, WebP, and GIF formats.
2. Set Target KB & Format
Enter your required limit (e.g., 50 KB, 100 KB, 200 KB) or select a quick preset. Choose between JPG or modern WebP format.
3. Compress & Instant Download
The automated algorithm calculates optimal compression to stay strictly below your requested threshold while maximizing clarity. Download immediately.
Key Features of ToolBuddy Target Size Compressor
Exact KB Target Enforcement
Specify exact limits such as 20 KB, 50 KB, 100 KB, or 200 KB. The engine tests multiple encodings to stay strictly under the ceiling.
Binary Search Quality Finder
Iteratively evaluates multiple compression passes in milliseconds to pinpoint the highest possible visual clarity that fits your budget.
Intelligent Proportional Downscaling
Only rescales resolution when JPEG/WebP compression alone cannot mathematically reach the strict KB cap, protecting sharpness.
Instant Live Previews & Byte Readouts
Inspect the final file size in real time alongside original dimensions and savings percentages before initiating the download.
Zero Server Upload Delay
Entire optimization pipeline executes on your local browser engine. No waiting in remote upload/download queues.
100% Confidential Client-Side Privacy
Sensitive identity documents, driver's licenses, and passport photos are never transmitted across the network or stored in external servers.
Frequently Asked Questions
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