This post helps to add a text box to PDF using a free software and an online tool. You can adjust the size of text box, text style, etc.

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.

Add Text to Fillable PDFs To get started with adding text to a PDF on your Mac, first check whether the document already has editable fields, a practice that's especially common with business forms.

If you want to extract highlighted text from PDF file as a plain text file, then this post covers some good free PDF Highlight Extractor software to do that.

Need to make notes in a PDF, or perhaps correct a few typos or reorganize the pages? Here are the tools and tips you need.

导入pdf文件，利用大语言模型增添标点符号，并输出txt和doc格式文件。 导入文件字数不限。 需要有自己的api账户。 3tokens每字。 Import PDF files, use LLM to add punctuation, output TXT or DOC files. No words number limit.

导入pdf文件，利用大语言模型增添标点符号，并输出txt和doc格式文件。 导入文件字数不限。 需要有自己的api账户。 花费约为3tokens每字。 Import PDF files, use LLM to add punctuation, output TXT or DOC files. No words number limit.

In other words, Adobe Reader won't let you add text. What you need is a program that's a little more accommodating, PDF-wise. Try Foxit Reader 4.3, which allows you to add text to any PDF.

Of course, viewing is one thing; editing is another process. If you want to write something in an existing PDF file, and then save your changes, you have software such as, PDF Architect, iSkysoft ...

Removing text from a PDF isn't as easy as drawing a black bar across it. Fortunately, redaction tools let you truly erase sensitive text in Preview, Adobe Acrobat DC Pro, and PDFPen.