ExactKB: Image Compressor

LaunchStack

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About this app

ExactKB compresses images to an exact target file size — right on your device.

Need an image under 50KB for a government portal, under 200KB for an online form, or under 1MB for an email attachment? ExactKB uses an intelligent binary-search compression algorithm to ensure your file never exceeds your specified ceiling.

KEY FEATURES:
• Precision Targeting: Set any target file size ceiling down to the exact KB or MB.
• One-Tap Presets: Quick ceilings for 50 KB, 100 KB, 200 KB, 500 KB, and 1 MB.
• Custom Stepper Controls: Fine-tune target sizes in ±10 KB increments.
• 100% On-Device: All processing runs locally on your phone. Your photos are never uploaded to the cloud or any remote server.
• Strip EXIF Metadata: Remove sensitive GPS location coordinates and camera tags before sharing.
• Format Support: Works seamlessly with JPEG, PNG, and modern WebP images.
• Compression History: Review previous compressions, view saved disk space stats, and re-export anytime.
• Clean & Minimalist: Fast, responsive interface with Dark and Light mode support.

PERFECT FOR:
• Uploading ID cards, passports, and visa application photos.
• Job applications, student registrations, and exam portal uploads.
• Reducing image sizes for email attachments and messaging apps.
• Saving device storage without losing image clarity.

PRIVACY & SECURITY:
ExactKB operates completely offline for all image compression tasks. No user accounts, no tracking, and no external photo uploads.

Developed by LaunchStack.