Compress PDF to 300KB

Make your PDF smaller than 300KB in one tap — for forms, portals and email.

No daily limit No watermark No sign-up Files never uploaded

Your PDF is ready

Popular PDF sizes

Where you need a PDF under 300KB

  • Application forms with a 300KB document limit
  • Experience letters, salary slips and offer letters
  • Multi-page certificates and transcripts
  • Sending documents quickly on WhatsApp or email

300KB gives good quality for most documents up to about 6 pages. If you need to send several documents together, join them first with Join PDFs and then compress the single file.

How to reduce PDF size

1Choose your PDFTap the pink box and pick the PDF from your phone or computer.
2Pick a sizeChoose a size your form allows, like 200KB, or just “Smaller”.
3DownloadSave the smaller PDF. We show you the new size before you upload it.

Questions people ask

How do I compress a PDF to 300KB?

Choose your PDF above. The size box is already set to 300KB — press “Make my PDF smaller” and download.

Can I choose a different size?

Yes. Type any number in the “Your size in KB” box, or use one of the other sizes below.

Is it free?

Yes — completely free, with no daily limit, no watermark and no sign-up.

Is it safe for my documents?

Yes. Your PDF is processed inside your own browser and is never uploaded to any server.

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