Compress PDF online to reduce file size without uploading. Free, private browser tool — no signup required.
Compress PDF reduces file size for email, uploads, and storage while keeping text readable. Compression runs locally so sensitive documents stay on your device.
Text usually stays sharp. Images may lose some detail at stronger settings — try a lighter level if quality matters.
It depends on the file. Image-heavy PDFs shrink more than text-only documents.
Yes. The file is processed in your browser and is not uploaded to ThothBox.
Compress PDF reduces file size for email, uploads, and storage while keeping text readable.
Open the Compress PDF tool, then upload the PDF you want to shrink.