UnderByte
Compress images and PDFs to exact size limits
What is UnderByte?
UnderByte compresses images and PDFs to the exact upload limit you need, like 20 KB, 200 KB, 500 KB, or 1 MB. Everything runs in your browser, so files stay on your device after the app loads. It handles JPG, PNG, WebP, and PDF, supports batch mode, and is built for real-world government, visa, job, and form-upload size limits.
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