PDF Size Limits for SSC, IBPS, Passport & Other Indian Forms
You are sitting at 11:30 PM on the last day of an application. The scanned marksheet looks fine, you hit upload, and the portal throws “File must be between 50 KB and 100 KB.” That number changes from form to form. Here are the real size limits for the most common Indian portals, and a way to hit them without downloading any app or uploading your file to a stranger’s server.
Real portal limits (check the notification before you submit)
These numbers come from recent official notifications and candidate instructions. Always read the current notification on the official website, boards occasionally update their limits.
| Portal / Exam | Document Type | Size Limit |
|---|---|---|
| SSC CGL, CHSL, MTS | Scanned certificate, marksheet | 50–100 KB |
| IBPS PO, Clerk, RRB | Scanned documents (certificates, caste, PwD) | 50–150 KB |
| UPSC EPFO / other exams | Supporting documents | Often 100–300 KB (varies by notification) |
| Passport Seva (new/renewal) | Annexures and proof documents | Under 300 KB per file |
| Income Tax e‑Filing | Supporting attachments (ITR response) | Max 5 MB total upload |
| EPFO (UAN portal) | Scanned claim forms, bank proof | 100–500 KB |
| State PSC (e.g., MPPSC, UPPSC) | Scanned copies of original marksheets | Often 100–200 KB |
| CUET / NTA portals | Scanned certificates | 100–300 KB |
| RBI Grade B / Assistant | Signature, photo, thumb impression | Photo 20–50 KB, signature 10–20 KB (separate images, not PDF) |
Watch out: A few portals, especially older SSC ones, also check that the PDF has only one page. If you merge multiple scans into one file, the portal may reject it even if the size is correct. When the notification says “scanned copy of marksheet”, it usually means a single‑page PDF of that one document.
How to get any PDF under the limit without uploading it anywhere
The safest way to shrink a marksheet or certificate PDF is to use a tool that does the work inside your phone or laptop’s browser. Toolzo’s compress PDF tool runs locally, so your Aadhaar or PAN details never leave your device. Here is the flow that works for most cases.
- Open the compress PDF page on your phone or computer. Wait for the page to fully load. The compression engine is now ready inside your browser, and you can even switch off mobile data if you want extra reassurance.
- Tap or drag your PDF into the upload area. The file gets read, not uploaded.
- Choose a compression strength. For a 100 KB limit, start with the highest compression setting. If your PDF is mostly text (not scanned), even medium compression might be enough.
- Check the output file size. Most scanned certificates drop from 2–5 MB to under 200 KB. If the result is still above the required number, move to the next step.
When compression alone isn't enough: rebuild from lighter images
A multi‑page scanned PDF can sometimes stay stubbornly above 100 KB even on maximum compression. That’s because each scanned page is essentially a photo, and the photos are still too heavy. Do this instead:
- Use the PDF to JPG tool to split the PDF into separate image files. Each page becomes one JPEG.
- Take each JPEG through the image compressor. Set quality to about 30–40% and maximum width to 1200 pixels. That setting keeps text readable while shrinking the image drastically.
- Feed the compressed images into the JPG to PDF tool to rebuild a single PDF. The resulting file often lands between 50 and 80 KB.
This method takes two extra minutes but reliably hits the 100 KB target. It also works for 50 KB, which some older SSC forms still demand.
Common mistakes that get your file rejected, not just the size
Size is the obvious one, but these small things trip people up just as often:
- Wrong file name: Long file names with spaces, brackets, or special characters sometimes cause a silent upload error. Rename to something simple like “marksheet.pdf” or “caste-cert.pdf”.
- PDF with a password: Some signed or portal‑generated mark sheets have a password lock. A password‑protected PDF cannot be compressed by most free tools. Unlock it first using a PDF unlock tool, then compress.
- File type mismatch: A few portals check the MIME type and reject a PDF that was simply a renamed JPG. Always use an actual PDF generated by a proper tool.
FAQ
What if the portal asks for PDF less than 50 KB?
That’s tight but doable if the document has only one or two pages. Use the rebuild method with highly compressed images (20–30% quality, 1000 pixels wide). If you still can’t hit it, check whether the portal allows a photo of the document instead. Some older portals like RBI still accept only JPEG images for certain uploads, not PDF.
Is it safe to compress an Aadhaar PDF online?
Many online tools upload your file to a server, which is risky for an identity document. Toolzo’s tool does not upload anything; it compresses inside your browser. That means the file never leaves your device, which is the safest way to handle an Aadhaar or PAN copy.
Can I use the same method for a passport size photo PDF?
If a portal specifically wants a photo as a PDF (rare, but some do), compress the photo first as a JPEG using the image compressor, then convert that light JPEG to a single‑page PDF. That almost always falls under 100 KB.