How to send documents to Meu INSS within the 5 MB limit
Meu INSS accepts documents as images or PDFs of up to 5 MB each. If a scan or photo is bigger, open Compress PDF, choose Target size — for upload limits and pick a size under 5 MB. The file is processed in your browser, so your RG, CPF or medical certificate isn’t uploaded to us before it goes to the INSS.
What the INSS asks for
An INSS news page on cumprimento de exigência, published September 17, 2026 and checked on November 5, 2026, says:
- Files can be images or PDFs, each up to 5 MB.
- The deadline to send what was asked for is usually 30 days after you are notified, but it can vary.
- Don’t attach documents that are crossed out, illegible, blurry or incomplete. A blurry document is one of the reasons the INSS asks for a file again.
For Atestmed, the online route for a medical certificate, the INSS step-by-step page (published January 16, 2024) adds that all documents together can be at most 50 MB. It asks for an identity document and a medical document, such as an atestado, laudo or relatório.
Step 1: Scan the paper with your phone
Open Scan to PDF, select Take a photo and photograph each page, or Choose photos if you already took them. The tool crops and straightens each page. Select Create PDF →. A document with several pages, such as a laudo, ends up as one PDF.
Lay the paper on a dark table near a window. Check that the doctor’s name, CRM number, date and signature are sharp, because that is what the analyst needs to read.
Step 2: Put both sides of an ID in one file
For the front and back of an RG or CNH, take a photo of each side. Open Images to PDF, choose both photos and select Create PDF →. In our test, two photos of an ID card made a 2-page PDF of 198.7 KB, well under the limit.
Step 3: Shrink a file that is over 5 MB
Open Compress PDF and choose the PDF. Set Compression mode to Target size — for upload limits, select Custom, type 4800 and select Compress PDF →. Aiming a little under 5 MB leaves room to spare.
In our test on November 5, 2026, a 6-page scan of 15.28 MB came out at 2.98 MB, with pages saved as images at about 150 DPI. The tool counts 1 KB as 1,000 bytes, so a result shown under 5 MB is also under the limit if the site counts differently.
If the document is a single photo rather than a PDF, Resize photo in KB can make it smaller: type the size you need in Maximum size in KB. In our test, a 2.99 MB phone photo came out at 157.0 KB with a 200 KB maximum.
Step 4: Send it in Meu INSS
The INSS page lists these steps: sign in to Meu INSS with your CPF and password, select Cumprir Exigência on the main page, fill in the requested fields, add the documents, continue as instructed and send. Then keep following the request in Meu INSS or by calling 135 until it is concluded.
Before you send
- Open the final PDF and zoom in. Names, dates and numbers must be readable.
- Send everything the exigência asks for, not only part of it.
- If a document has a password, remove it with Unlock PDF, using the password you were given.
- On a shared or cyber café computer, delete your copies when you finish.
Quick answers
Can I send a photo instead of a PDF? Yes. The INSS news item says image files are accepted as well as PDFs, each up to 5 MB. A PDF is easier when a document has several pages, because the pages stay together and in order.
The file is under 5 MB but the upload still fails. What now? Remove any password with Unlock PDF, then try a smaller target, such as 3000 KB. A smaller file also uploads faster on a weak mobile connection.
Will compression make my medical report hard to read? At about 150 DPI, the printed text in our test file stayed readable. Zoom in on the doctor’s name, CRM number and signature before you send. If anything is blurry, use a larger target, since each file can be up to 5 MB.
Is the Atestmed limit different? Each file still has its own 5 MB limit, and the Atestmed page adds a maximum of 50 MB for all the documents together. Ten files of 5 MB would already reach that total.
Your documents stay on your device
These tools read the file in your browser and save the result as a download. Nothing is sent to PDFReadyGo. You can check it in the Prove it’s private panel under each tool: in our compression test, Requests that sent a file or binary data stayed at 0. PDFReadyGo has no connection with the INSS. If the message in Meu INSS gives a different limit or format, follow it.