Add text and boxes, and truly remove text
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Privacy First
Your files are processed entirely in your browser. Nothing is uploaded to any server.
Open the file, pick the box or text tool, and click or drag on the page. Text is drawn where you click; a box covers whatever is under it. If the box has "Remove text underneath" enabled, that page is rasterized so the covered words are gone from the file rather than hidden behind an opaque rectangle. Save when you are done. The document is opened, edited and written entirely inside this browser tab, so nothing is uploaded at any point.
Add text, cover content with a box, and remove the text underneath for real. Covering text does not delete it — this editor counts the words still readable under each box and can destroy them.
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Select PDF file from your device or drag file into the upload area.
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Review the selected files and continue when they are ready.
Save PDF
Run the Edit PDF tool to create the PDF output.
Download the result
Download the finished file. The original file stays on your device and is not uploaded.
In most editors, no — and this is the single most common way confidential information leaks out of a PDF. Drawing a filled rectangle adds a shape to the page; the glyphs underneath stay in the content stream exactly as they were. Anyone can select the region and copy the text, or run the file through a text extractor and read it in full. Courts, police forces and government departments have all published documents redacted this way and had the covered names read back within hours.
It reads the text layer of the page you are editing, so it knows which words sit under each box you draw. Leave a box as a plain cover and it tells you how many words are still readable underneath. Turn on "Remove text underneath" and the page is rasterized: the page is rendered to an image with your boxes painted into it, and that image replaces the original page, so the words are not in the saved file at all. You can check the result with the PDF to Text tool on this site.
Rasterizing a page turns all of it into an image, so the rest of the text on that page stops being selectable and searchable, and the file gets larger. There is no way around this with the technique available in a browser: the only reliable way to guarantee a glyph is gone is to stop the page having a text layer. The editor applies it per page, so pages you have not redacted keep their text intact, and it tells you which pages are affected before you save.
No, and no browser tool that claims to should be trusted at face value. Editing existing text means rewriting the page content stream and reflowing everything around it, with the original fonts, and the libraries that run in a browser cannot do that. This editor adds content on top of the page and can destroy regions of it. If you need to rewrite a sentence, cover the old one and add the replacement as new text, or go back to whatever produced the PDF.
No. The document is opened with a PDF engine running in this tab, edited in memory, and written back out in the same tab. Nothing is uploaded, which also means the words you are removing are never transmitted anywhere in the process — an important difference when the whole point of the edit is that the content is sensitive.
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Files are processed in your browser and never uploaded