Compress a PDF for GST Portal — New Registration
GST Portal — New Registration takes PDFs up to 100 KB for the strictest document. PDF Desk shrinks yours to just under it, right in this tab.
Max 100 KBPDF / JPEG
Files stay on this device. Nothing is uploaded.
GST Portal — New Registration (Normal Taxpayer) upload limits
| Document | Max size | Min size | Formats |
|---|---|---|---|
| Proof of Principal / Additional Place of Business (and SEZ approval proof) Same 1 MB limit for each place-of-business proof upload in REG-01. | 1 MB | — | PDF, JPEG |
| Proof of appointment of Authorized Signatory Photograph of the authorised signatory on the same tab is limited to 100 KB. | 1 MB | — | PDF, JPEG |
| Photograph of Promoter/Partner (and of Authorized Signatory) The manual says PDF or JPEG; a photograph is normally uploaded as JPEG. | 100 KB | — | PDF, JPEG |
| E-KYC documents (Aadhaar Authentication tab) | 2 MB | — | PDF, JPEG |
Where this number comes from
“You can upload PDF or JPEG files with maximum file size for upload of as 1 MB.”
— GST User Manual — Apply for Registration (Normal Taxpayer). Checked October 2026.
PDF Desk aims at 97 KB, a little under the limit, because some portals count 1 KB as 1,000 bytes.
If the file will not get small enough
Scan in black and white at 150 DPI instead of colour. Remove blank and duplicate pages with Delete pages. If the portal allows several files, cut the PDF with Split PDF and upload the parts.
Other portals in India
Limits of other portals
Questions
What is the maximum PDF size for GST Portal — New Registration?
Proof of Principal / Additional Place of Business (and SEZ approval proof): 1 MB; Proof of appointment of Authorized Signatory: 1 MB; Photograph of Promoter/Partner (and of Authorized Signatory): 100 KB; E-KYC documents (Aadhaar Authentication tab): 2 MB. Source: tutorial.gst.gov.in, checked October 2026.
GST Portal — New Registration still rejects my PDF. Why?
Check that it is not password-protected, that the file name has no special characters, and that it is a few percent under the limit — some portals count 1 KB as 1,000 bytes.
Are my PDFs uploaded?
No. PDF Desk opens and writes the file with JavaScript inside your browser tab. Nothing is sent to a server, so it is safe for contracts, IDs and bank statements.