October 22, 2026 · 1 min read
How to Change PDF Page Size (Letter to A4 and More)
Convert PDF pages between US Letter, A4, A3 and other paper sizes. Content is scaled and centred so nothing is cut off.
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October 22, 2026 · 1 min read
How to Crop PDF Margins and Remove Extra White Space
Trim the edges of PDF pages by entering how many millimetres to cut from each side, with a live preview before you download.
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October 21, 2026 · 1 min read
How to Print Multiple PDF Pages on One Sheet (2-up, 4-up)
Place two, four or more PDF pages on one sheet to print handouts, save paper and make slide decks easier to review.
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October 21, 2026 · 1 min read
How to Combine Odd and Even Scanned Pages Into One PDF
Scanned the fronts and backs of a document separately? Interleave the two PDFs in the right order automatically.
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October 21, 2026 · 1 min read
How to Add a CONFIDENTIAL or DRAFT Watermark to a PDF
Stamp your own text such as CONFIDENTIAL, DRAFT or SAMPLE across every page of a PDF, with custom size, colour, opacity and angle.
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October 20, 2026 · 1 min read
How to Add Page Numbers to a PDF (Including “Page 1 of 10”)
Number every page of your PDF with your choice of position, starting number, size and format such as "Page 1 of 10".
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October 20, 2026 · 1 min read
How to Extract Specific Pages From a PDF Into a New File
Save one chapter, an invoice page or a few forms from a large PDF as a separate document without changing the original.
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October 20, 2026 · 1 min read
How to Delete Pages From a PDF in Seconds
Remove blank, duplicate or confidential pages from a PDF by typing page numbers or ranges, and download a clean file.
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October 19, 2026 · 1 min read
How to Reorder, Rotate and Delete PDF Pages Visually
Rearrange PDF pages with drag and drop, fix sideways pages and remove the ones you do not need, all in one place.
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October 19, 2026 · 1 min read
How to Format, Minify and Validate JSON (and Fix Common Errors)
Make messy JSON readable, shrink it for production and find syntax errors fast — with a list of the most common JSON mistakes.
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