PDF Bench
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Add text

Stamp a line of text on one page or every page.

Stamp a line of text such as a date, a name or an approval note on one page or on every page of a PDF. The text is added in your browser, free and without uploading the document, with no sign-up required.

How to add text to a PDF online

1Drop a PDF onto the page.
2Type the text, then pick the position, size, colour and margin, and which pages to stamp.
3Click Add text and download the updated PDF.

Private by design

Most online PDF tools upload your file to a server. PDF Bench does the work with code that runs in your browser tab, so contracts, invoices and ID scans never leave your computer. Close the tab and nothing remains.

Questions

Is it really free?

Yes. Every tool is free for two edits per hour, with no account. The site is paid for by the ads you see. Pro removes the limit and the ads.

What counts as an edit?

One run of a tool that produces a file: one merge, one split, one conversion, and so on. Previewing pages or adding files does not count.

Is there a file size limit?

There is no hard limit, but everything happens in your browser's memory. Files up to about 200 MB work well on a normal laptop; on a phone, stay under 50 MB.

Why is my compressed file not much smaller?

"Lean" mode only removes unused objects and rewrites the file structure, which keeps text selectable. If the PDF is mostly scanned images, use "Strong" mode: it re-renders each page as a JPEG at the quality you choose, which can cut the size by 70 to 90 percent.

How good is the Word conversion?

Word to PDF keeps headings, paragraphs, bold, lists, tables (as simple rows) and images, and works in any language. PDF to Word rebuilds the text as editable paragraphs with headings and bold detected from the fonts; page images are not carried over, and scanned PDFs with no text layer produce an empty document.

Can I edit existing text inside a PDF?

Not yet. You can add new text, watermark, number pages, convert to Word and back, and reorganize pages. Rewriting embedded text needs font and layout reflow, which is on the roadmap.

Do you keep my files?

No. Nothing is uploaded. Your file is read into the page, processed, and offered back to you as a download.

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