Change PDF Page Size & Scale
Resize PDF pages to standard paper formats like A4, US Letter, A3, Legal, or custom millimeter and inch dimensions with smart aspect ratio preservation.
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Select PDF to Resize
Drag & drop PDF file here, or click to browse
Browse FilesMore Tools You Might Need
Trim excess page margins and crop page dimensions for printing or handheld reading.
Add custom text watermarks with transparency, angle, and position controls.
Insert header or footer page numbers (e.g. Page X of Y) into PDF documents.
View and update PDF metadata: Title, Author, Subject, Keywords, and Creator.
How to Change PDF Page Size Online
Upload Any File
Upload documents designed in US Letter, A4, or arbitrary scanner dimensions.
Pick Dimensions
Select A4, Letter, A3, Legal, or enter exact custom millimeters, inches, or points.
Crisp Vector Rendering
Original fonts and graphics are scaled mathematically without raster blurring or text loss.