PDF size limits are still annoying.
I’ve run into this problem many times while filling online forms or uploading
documents. A lot of websites still ask for PDFs under very specific limits,
like 200KB or 1MB, which sounds small until you actually try uploading a file.
While working on a small React project, I decided to experiment with a
client-side PDF compression tool to see how much can realistically be done
inside the browser.
What this tool is about
This is not meant to be a replacement for full-featured PDF editors.
It’s more of a lightweight solution for common cases.
The tool focuses on:
- Running fully in the browser
- No server uploads
- Simple file selection
- Handling strict size limits like 200KB
Why I tried client-side compression
The main reason was privacy.
For many documents, uploading files to a server just to resize them feels
unnecessary. Doing everything locally keeps things simple and avoids storing
files anywhere.
It’s also surprisingly fast for smaller PDFs.
Live version
I’ve put a working version online so it’s easier to understand how it behaves
in real use:
When this works well
From my testing, this approach works best for:
- Form submissions with strict limits
- Quick document uploads
- Mobile users
- Situations where privacy matters more than perfect quality
Final notes
Browser-based tools are getting better every year.
For basic use cases, client-side PDF handling is actually quite practical.
If you’re building React apps or experimenting with browser APIs, this kind of
tool is worth exploring.
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