PDF editing and signature help

1. Scan at 300 DPI in black and white for text documents; it keeps files small and searchable.
2. Run text recognition (OCR) before searching or copying text out of a scan.
3. Redact with the redaction tool and apply it — drawing a black box does not remove the text underneath.
4. Flatten the document after signatures so later edits cannot alter the signed content.

Never send a document containing privileged or personal information through this public site — attach it inside your ticket instead.

Updated 2026-08-31