Compress Image to Exact Target Size
Hit your required file size limit (100KB, 200KB, 500KB, 1MB) without manual guessing. 100% in-browser.
Drag & Drop your image here
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How It Works
Upload Image
Drop your oversized JPEG or PNG image into the upload box.
Choose Target Size
Select a popular preset (100KB, 200KB, 500KB, 1MB) or type a custom target in kilobytes.
Binary Quality Search
Our algorithm runs up to 8 iterative quality passes in milliseconds to find the highest quality under your cap.
Smart Compression: Binary Search vs Quality Sliders
Traditional tools force you to guess slider percentages repeatedly. Our iterative binary-search engine calculates the exact quality needed to stay strictly below your file size limit.
Target Size Precision
Our algorithm tests quality thresholds iteratively in milliseconds, converging on the highest visual fidelity that stays under your exact byte cap.
Exam & Form Upload Caps
Hit strict document requirements (100KB, 200KB, 500KB) on job portals, college admissions, and visa websites without manual guesswork.
Sharp Contrast & Edges
Preserves legible text and photo sharpness by optimizing JPEG quantization tables instead of aggressively downscaling pixel dimensions.
Frequently Asked Questions
Our algorithm uses an iterative binary search across compression quality settings (from 0.05 to 0.95), measuring the exact byte output on an in-memory canvas until it finds the highest visual quality that stays under your chosen size.