Edit Convert Compress Chat with PDF AI Detector AI Read Templates Pricing

Convert PDF

Word to PDF PDF to Word JPG to PDF PDF to JPG Excel to PDF PDF to Excel PPT to PDF PDF to PPT PUB to PDF PDF to HTML

More PDF Tools

Edit PDF Edit PDF Rotate PDF Crop PDF Replace Text Organize PDF Merge PDF Compress PDF Split PDF Extract images Rearrange PDF Protect PDF Protect PDF Unlock PDF Redact PDF Sign PDF Share Document Image Tools Compress Image Crop Image Image Converter Convert from JPG Resize image
HiPDF Logo
Invite Your Friends & Both of You Get Rewards !

How to Compress PDF Online for free?

Compress PDFs online for free with adjustable compression levels or precise size targets – all in just a few simple steps.

01
open pdf compressor online

Upload your PDF files to the online PDF compressor.

02
compress pdf to size

Choose a compression level or enter a target size (e.g., 200KB).

03
compress pdf online free

Click Compress to get your reduced PDF instantly.

Compress PDF to
200 KB
10 KB
50 KB
100 KB
200 KB
300 KB
400 KB
500 KB
1 MB
2 MB
5 MB
for free

Why choose our online PDF Compressor?

free online pdf compressor

Free Online PDF Compression

Compress PDFs online for free with no sign-up, no installation, and no hidden limits.

pdf file compressor

Compress PDF Without Losing Quality

Reduce PDF size while preserving text clarity, image detail, and layout integrity.

reduce pdf size

Reduce PDF With Flexible Quality Settings

Choose Low, Medium, or High compression levels to shrink PDFs while matching your quality needs.

reduce pdf to small size

Reduce PDF to an Exact Size Easily

Set precise output sizes – such as 200KB, 100KB, or 1MB – to meet email, portal, and upload requirements.

fast pdf compression

Fast and Accurate PDF Compression

Compress large PDFs quickly and efficiently with high-precision optimization.

batch compress pdf

Batch PDF Compression

Compress multiple PDFs at once for fast, efficient, and consistent compression results.

compress pdf on any device

Compress PDF on Any Device

Compress PDFs on Windows, Mac, iPhone, Android, or any browser without downloading extra software.

pdf file secure

Secure and Private File Handling

All files are encrypted during upload and automatically deleted after processing to protect your privacy.

Easy Drag-and-Drop Interface

Start PDF compressing instantly by simply dragging your PDF into the tool.

Try HiPDF Compressor for free
pdf compressor for designer

Daniel W.

Freelance Graphic Designer

Batch compression saves me so much time. I compressed 12 PDFs at once for a client submission. Quick, clean, and super convenient.

pdf compressor for teacher

Hannah S.

Teacher

As an educator, I often need to translate materials into multiple languages for my students. This AI PDF Translator has been a game-changer for me. It’s easy to use, accurate, and supports a wide range of languages. Highly recommended!

pdf compressor for educator

Jason L.

College Applicant

I needed to compress my PDF to 100KB for a school application. The portal only accepted files under that limit. HiPDF’s exact size control made it simple – I just typed in 100KB and downloaded a clean, readable PDF.

Free Online PDF Compressor for Everyday Use

An easy-to-use online PDF compressor for students, professionals, and everyday users. Reduce PDF file size for free anytime, anywhere, and make your documents easier to upload, email, and share.

Shrink PDF Files to Fit Upload Limits for Job Portals, School Applications, or Government Forms.

Easily reduce PDFs to 200KB, 100KB, 1MB, or any target size so resumes, contracts, transcripts, bank statements, visa documents, and official forms upload without errors. Perfect for job portals, school applications, government websites, and any platform with strict file-size limits.

Shrink PDF to an Exact Size Online
shrink pdf to size
batch pdf compressor

Compress Multiple PDFs at the Same Time for Faster, More Efficient Workflows.

Whether your file is too large for email, won’t upload to cloud storage, or needs to be shared across teams, HiPDF makes compression fast and accurate. Choose Low, Medium, or High compression and keep the layout, fonts, and formatting intact.

Batch Compress PDFs for Free

Quickly Reduce PDF Size for Email, Sharing, and Daily Workflows.

Make oversized documents easier to send and share by compressing reports, applications, surveys, and legal PDFs in seconds. Ideal for emailing attachments, posting materials online, collaborating with teams, or storing files efficiently.

Reduce PDF Size for Free
reduce pdf size

FAQs about Compressing PDFs Online for Free

  • Yes. HiPDF includes an Exact Size option that lets you enter the desired size (e.g., 200KB, 100KB, 1MB). The tool automatically adjusts resolution and optimization settings to meet strict upload limits for job portals, school applications, and government forms.

  • Yes. HiPDF lets you compress PDFs without losing quality by optimizing images and keeping text, fonts, and layout intact. Use the High compression option to reduce file size while preserving clear, readable results for sharing, printing, or uploading.

  • Hyper compression is an advanced optimization method that significantly reduces PDF size by lowering image resolution and removing unnecessary data. Use it when you need the smallest file possible for strict upload limits, email attachments, or large documents that standard compression can’t shrink enough.

  • You can compress large or scanned PDFs by reducing image resolution and removing excess data. HiPDF’s High, Medium, Low, and Custom Size options help reduce file size while keeping files readable for email, uploads, or storage.

  • Yes. You can compress multiple PDF files at once using a batch compressor. HiPDF supports batch PDF compression, letting you upload several files together and reduce their size in a single process for faster, more efficient workflows.

  • Yes. You can compress a protected PDF online if you have the password. HiPDF supports password-protected PDFs and lets you reduce their size after verification. Upload the file, enter the password to unlock it, choose a compression level, and start compressing. Download the reduced PDF once the process is complete.

  • Yes. You can compress PDFs on your phone or tablet using a mobile-friendly online tool. HiPDF works on iPhone, iPad, and Android, letting you upload a file, choose a compression level, and download the reduced PDF directly from your browser.

More than PDF Compressor

Supercharge your PDF processing with AI

ai summarize pdf

AI Summarize PDF
ai chat with pdf

AI Chat with PDF
ai detect pdf

AI Content Detector
ai translate pdf

AI PDF Translator
Explore More AI Tools for PDF

Free online PDF tools for all purposes hipdf pdf compressor

Compress PDF Now More Tools

HiPDF Online Tools quality rating:

star

4.8

(188,357 Votes)

You have to upload and download at least 1 file to rate! We've already perfectly processed 307,292,373 files with a total size of 10,124 TB

Compress PDF online for free.

Upload your PDF to Compress
Edit PDFs Anytime with Free App