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2 MB is the standard ceiling on the GST portal, many tender sites and most document management systems. It is generous enough to keep scans sharp.
No upload. No watermark. No sign-up. Every tool mentioned here runs inside your browser.
The GST portal caps uploaded PDFs, and a compiled reply — notice plus annexures plus case law — routinely exceeds it. Two approaches work: compress the whole thing under 2 MB, or split it into numbered parts.
For filings, splitting is usually safer: reviewers can navigate parts, and you avoid degrading scanned annexures that must stay legible.
The GST Filing Prep tool is pre-set to the 2 MB limit and splits automatically.
At 2 MB across 20 pages you are at roughly 100 KB per page — fine for text, marginal for photographs of documents.
If specific pages carry stamps or handwriting that must be legible, extract those pages and upload them separately at higher quality.
If the portal allows multiple files, split. If it allows only one, compress to the stated limit.
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