Why this matters more than it sounds
A 40MB PDF full of scanned pages or high-res images is a pain — it’s too big to email, too slow to upload to a job portal, and it eats up storage. Most free “compress PDF” tools solve this by uploading your file to their server, running compression there, and sending it back. That means a copy of your document — which might contain private records, ID scans, or contracts — sits on someone else’s computer, even briefly.
Reamwork works differently. The compression engine downloads once to your own browser (about 30-60MB, cached after the first use) and does all the processing locally. Nothing is ever sent anywhere.
Step-by-step: compressing a PDF
- Go to Reamwork’s Compress PDF tool here https://quirefile.com/
- Drop in your PDF file
- Choose a compression level (Low, Medium, High)
- Click “Compress”
- Download your smaller PDF
The first time you use it, there’s a short pause while the engine downloads to your browser. After that first time, it’s cached and loads instantly on future visits.
What it’s good for
- Shrinking scanned documents before emailing
- Reducing file size for portal uploads with size limits
- Saving storage space on shared drives
- Making PDFs load faster when shared online
A quick honest note on quality
Compression works by reducing image resolution inside the PDF and optimizing internal structure. At “Low” compression, quality loss is barely noticeable. At “High” compression, file size drops the most, but images can look visibly softer — this is true of every PDF compressor, not just this one. If your PDF is mostly text (no images), compression gains will be smaller since text-based PDFs are already efficient.
Why PDFs get so large in the first place
Most oversized PDFs aren’t large because of text — text takes almost no space. The real culprit is usually images: a scanned document saved at 300+ DPI, or a report with embedded high-resolution photos, can easily balloon a file from a few hundred KB to tens of megabytes. Fonts embedded multiple times, unused metadata, and uncompressed image formats inside the PDF add to this further.
Compression targets exactly this — it re-encodes the images at a lower resolution and strips out redundant internal data, without touching the actual text content
Who needs to compress PDFs regularly
- Students and job applicants uploading resumes or assignments to portals with strict size limits (often 2–5MB)
- Small businesses archiving scanned invoices and receipts without eating up cloud storage
- Anyone emailing scanned documents — most email providers cap attachments around 20-25MB
Compression level: which one should you pick
| Level | Best for | Trade-off |
|---|---|---|
| Low | Documents you’ll print or where image detail matters | Smallest file size reduction |
| Medium | General everyday use — email, portal uploads | Good balance, recommended default |
| High | Quick sharing where file size matters more than image sharpness | Noticeable quality drop on images |
For most everyday needs — job applications, email attachments, portal uploads — Medium compression gives the best balance between file size and readability.
Why PDFs get so large in the first place
Most oversized PDFs aren’t large because of text — text takes almost no space. The real culprit is usually images: a scanned document saved at 300+ DPI, or a report with embedded high-resolution photos, can easily balloon a file from a few hundred KB to tens of megabytes. Fonts embedded multiple times, unused metadata, and uncompressed image formats inside the PDF add to this further.
PDF compression works by re-encoding embedded images at a lower resolution — similar to how JPEG compression reduces photo file sizes.
What happens to text and links after compression
A common worry is that compression might damage the document itself — but it doesn’t. Compression only touches embedded images; the actual text, hyperlinks, form fields, and bookmarks inside your PDF stay exactly as they were. You can still select, search, and copy text normally after compressing. This is different from converting a PDF to an image format, which would make the text unsearchable — compression preserves the document’s structure while only shrinking the visual elements.
Try it
Big PDFs shouldn’t be a hassle. Compress your file here https://quirefile.com/ — free, no account, done in seconds.