Compress PDF to 3.5MB
3.5MB is the HMRC/GOV.UK standard. Docpressor's most popular preset — one click for UK tax and government compliance.
Drop your files here
Drag up to 100 files at once — PDF, JPG, PNG or TIFF
Why Choose Docpressor for Compress PDF to 3.5MB
HMRC Preset
One-click 3.5MB for GOV.UK.
Most Popular
Our most-used preset.
UK Tax Season
P60s, P45s, statements.
Accountant Batch
Multi-client processing.
How It Works
Upload
Drag & drop your PDF, JPG, PNG or TIFF file
Set MB Limit
Enter the target file size for your portal
Pay Securely
One-click payment — no account needed
Download
Get your file instantly, auto-deleted after 30 min
Compress PDF to 3.5MB — Everything You Need to Know
3.5MB is the single most important file size limit for UK businesses and individuals. HMRC Self Assessment, GOV.UK services, and related portals all enforce this threshold.
Docpressor's 3.5MB preset is the most-used setting on the platform — designed specifically for UK tax compliance. One click selects the target and compression runs in seconds.
UK accountants processing Self Assessment returns for dozens of clients use Docpressor PRO to batch-compress entire client document sets during the January-October filing period.
Frequently Asked Questions
Ready to Compress PDF to 3.5MB?
Upload your file above and get results in 15 seconds. No signup, no email, no hassle.