Change PDF Page Size Online - Resize to Letter, A4, Legal & More
Resize every page in your PDF to a different standard or custom size. Choose from Letter, A4, Legal, Tabloid, photo sizes, envelope sizes, and many more. Content is scaled to fit and centered on the new page.
100% Private
Instant Processing
Browser-Based
Features
North American sizes: Letter (default), Legal, Tabloid, Ledger, Executive, Statement, and more
International sizes: ISO A series (A0-A10), ISO B series (B0-B6), JIS B series, ISO C series envelopes
Specialty sizes: ANSI C/D/E, ARCH A-E, photo sizes (4x6, 5x7, 8x10), Hagaki postcards
Envelope sizes: #10 business envelope, DL international envelope
Custom dimensions in inches or millimeters for any non-standard size
Content is uniformly scaled to fit and centered — aspect ratio is always preserved
Grouped dropdown with 70+ presets organized by category for quick selection
Works entirely in your browser — no files uploaded to servers
Popular Page Sizes at a Glance
Compare common page sizes side by side. Dimensions shown to scale — the largest size in each row sets the reference height.
North American Sizes
Letter8.5 x 11 in
Legal8.5 x 14 in
Tabloid11 x 17 in
International ISO Sizes
A4210 x 297 mm
A3297 x 420 mm
A5148 x 210 mm
Photo Sizes
4 x 64 x 6 in
5 x 75 x 7 in
8 x 108 x 10 in
Envelope & Specialty
#10 Envelope4.125 x 9.5 in
DL Envelope110 x 220 mm
Hagaki100 x 148 mm
How It Works
1
Upload your PDF file
2
Choose a preset page size from the grouped dropdown, or select Custom and enter width, height, and unit (inches or mm)
3
Click Resize Pages to apply the new size to every page
4
Preview the result, then click Apply Changes to finalize and download
Common Use Cases
Converting A4 documents to US Letter for printing in North America
Resizing Letter-size PDFs to A4 for European or international distribution
Preparing photos or artwork at exact print sizes (4x6, 5x7, 8x10)
Scaling architectural drawings between ARCH or ANSI sheet sizes
Reformatting documents for specific envelope sizes before folding and mailing
Standardizing mixed-size pages across a batch of scanned documents