PDF Editor - Qualified Online For Free

Use ""Certified Document"" feature: Some PDF editors such as Adobe Acrobat Pro, have a ""Certified Document"" feature which allows you to make changes to a signed PDF without invalidating the signature. However, this feature might not be available in all the PDF editors.

As with any certificate, a trained engineer should always double-check the documentation itself before issuing it. Once a certificate has been signed and saved, it cannot be edited due to the legality of editing an already signed legal document.

How to edit a PDF file? Upload the file you want to edit. Click on a page thumbnail on the left. Choose an editing tool from the menu above the preview. Draw, write, etc. on the full-size image of your PDF. ... Change the color, font, stroke size, etc. by opening the "Options" menu on the left.

You can manage your certificate by adding, deleting, and/or editing the contents of the documents within. Certificates can contain any type of document.

Convert, combine, sign and share files with a collection of online tools. Billed annually at ?9,570.

To start, drop your PDF file or upload it from your device or your cloud storage service. To add content, click on the specific item button and draw on your document with the mouse. To edit the added item, click on the "Selection" button (arrowed cross), then click on the item you want to modify.

How to edit a scanned document. Open the scanned PDF file in Acrobat. From the Edit menu, select Text or Image tool. Acrobat automatically applies OCR to your document and converts it to a fully editable PDF copy.