Large PDF files exceed email limits, slow uploads and waste storage. Kaeltripton's compressor reduces file size by removing redundant data and optimising internal structure — entirely in your browser.

How much can a PDF compress?

Text-heavy PDFs see 10–30% reduction. PDFs with high-resolution images can shrink 50–80%.

Common uses

Reducing a PDF to fit within an email attachment limit
Compressing scanned documents before uploading to a portal
Reducing portfolio or presentation PDFs for sharing

Frequently asked questions

Is the PDF compressor free?+

Yes — 100% free, no sign-up, no email, no payment.

Are my files safe?+

All processing is local in your browser. Nothing is uploaded.

How much will my PDF shrink?+

Image-heavy PDFs typically compress 40–70%. Text-only PDFs see smaller reductions.

Will compression reduce quality?+

Text quality is unaffected. Images may be slightly reduced depending on the original.

Is there a file size limit?+

Up to 100MB works on most devices.

Editorial Disclaimer

The content on Kaeltripton.com is for informational and educational purposes only and does not constitute financial, investment, tax, legal or regulatory advice. Kaeltripton.com is not authorised or regulated by the Financial Conduct Authority (FCA) and is not a financial adviser, mortgage broker, insurance intermediary or investment firm. Nothing on this site should be construed as a personal recommendation. Rates, figures and product details are indicative only, subject to change without notice, and should always be verified directly with the relevant provider, HMRC, the FCA register, the Bank of England, Ofgem or other appropriate authority before any financial decision is made. Past performance is not a reliable indicator of future results. If you require regulated financial advice, please consult a qualified adviser authorised by the FCA.

Chandraketu Tripathi

Finance Editor · Kaeltripton.com

Chandraketu (CK) Tripathi, founder and lead editor of Kael Tripton. 22 years in finance and marketing across 23 markets. Writes on UK personal finance, tax, mortgages, insurance, energy, and investing. Sources: HMRC, FCA, Ofgem, BoE, ONS.