Submitting a PDF to a court, government agency, or legal counterparty isn't the same as emailing a document to a colleague. The wrong file format, a missing signature, or an unredacted piece of personal information can get your submission rejected โ or worse, create a problem you can't walk back. Getting it right the first time comes down to a short checklist that most people skip.
Check the Submission Requirements First
Different courts and agencies have different rules, and they're not always obvious. Some courts require PDF/A format for archiving. Others specify maximum file sizes, require bookmarks for documents over a certain page count, or mandate that PDFs be text-searchable rather than scanned images. Federal courts in the US use the CM/ECF system, which has its own technical specifications.
Before you prepare anything, pull up the specific filing requirements for the court or agency you're submitting to. If you're working with a lawyer, they should already know these. If you're filing pro se, the court's website usually has a section on electronic filing requirements.
Make Sure the Text Is Selectable
Most legal systems now require electronically filed PDFs to contain real, selectable text โ not scanned images. A scanned document is just a photograph of a page. Judges, clerks, and opposing counsel need to be able to search the text, copy it, and reference specific passages. A PDF that's just an image doesn't allow any of that.
If your document was originally created digitally โ typed in Word, exported from a system โ it should already have selectable text. If it's a physical document that was scanned, you need to run OCR on it before submitting. OCR converts the image of text into actual text characters that can be searched and selected.
To check: open your PDF and try to click and drag to select a sentence. If you can highlight text, you're fine. If your cursor turns into a crosshair and you can only select a rectangular area of the image, the document needs OCR before it's ready to file.
Redact Sensitive Information Properly
Redaction is one of the most mishandled steps in legal PDF preparation. Drawing a black box over text in a PDF editor, or using a black highlighter, does not remove the underlying text โ it just covers it visually. Anyone who copies and pastes the "redacted" section into a text editor can read what's underneath. This has caused real problems in high-profile legal cases.
Proper PDF Redaction permanently removes the content from the file, not just from the visual layer. The result is a gap or a black bar where the text was, with nothing underneath. After redacting, always verify by selecting the redacted area and trying to copy it โ if nothing pastes, the redaction is real.
Common items that need redacting in legal filings: Social Security numbers, financial account numbers, dates of birth for minors, and the names of minor children. Many court systems have specific rules about which information must be redacted or truncated.
Use the Right Signature
Legal submissions often require a signature, but not every type of signature carries the same legal weight. A typed name (sometimes written as "/s/ Your Name" in electronic filings) is accepted in many court systems as a valid electronic signature. An image of a handwritten signature works in others. A cryptographic digital signature with a verifiable certificate is the most secure option and is required in some jurisdictions.
Know what your specific court or agency accepts before you sign. Some explicitly prohibit certain signature types for certain document categories. When in doubt, the safest approach is to print, sign by hand, scan, and run OCR to restore text searchability โ though this adds steps.
Control File Size Without Damaging the Document
Many filing systems impose a file size limit โ commonly 10MB or 25MB per document. If your PDF is over the limit, you have a few options: compress it, split it into multiple files, or both. The critical rule here is to compress without degrading the text quality. Legal documents need to remain legible at high zoom, and any compression that blurs text or drops image resolution below a readable threshold will cause problems.
WukongPDF's compression tool applies lossless compression to text and vector elements, so the text stays sharp while the overall file size drops. For documents with embedded photos or scanned pages, image compression is where most of the size savings come from โ and a quality setting of 80% or above keeps everything readable.
Final Checklist Before You Submit
Run through this before filing:
- Text is selectable โ open the PDF and try to highlight a sentence
- Sensitive information is properly redacted, not just visually covered
- Signature matches the format the court or agency accepts
- File size is within the submission limit
- Format matches requirements (standard PDF, PDF/A, etc.)
- Page numbering and bookmarks are in place if required
Legal PDF errors are almost always avoidable. The submissions that get rejected or create problems are usually the ones where someone skipped one step โ often redaction or text searchability โ because they were in a hurry. Five minutes of checking before you file is worth a lot more than dealing with the consequences after.