This free online tool lets you compress PDF file files quickly and easily, without installing any software.
What file formats are supported?
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We support PDF and many other file formats. You can also convert between different formats.
Is there a file size limit for PDF files?
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Free conversions have a size limit per file, set by the type of file, and the page tells you when a file is over it. A paid plan removes that limit, so much larger files can be converted.
Will this affect the quality of my PDF file?
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Our tool is designed to maintain the best possible quality while compressing your PDF files.
Can I compress multiple PDF files at once?
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Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.
Is the Compress PDF tool free to use?
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Yes, our Compress PDF tool is completely free for basic usage. No registration required.
Num in machinis mobilibus operatur?
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Qui navigatores interretiales sustinentur
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An fasciculi mei privati et securi sunt?
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Uploaded files are processed on our own conversion servers, nobody looks at them, and they are not shared. The upload and the converted file are both deleted automatically about 24 hours after the conversion, which leaves time to download the result. See /privacy/ for the full policy.
Quid si mea demptio non incipit?
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Servabiturne qualitas
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It depends on the formats. A lossless target such as PNG, WAV or FLAC keeps what the source holds; a lossy target such as JPG, MP3 or MP4 is usually re-encoded, which trades some detail for a smaller file.
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