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ImageTo

Pick a paper job

Thirteen tools, one shared engine. Each one lays out for the sheet you actually have — and tells you what the printout should measure.

Supported paper sizes

A4 is the default everywhere except North America, which prints on Letter and Legal; the Philippines and Indonesia add F4, Japan adds B5 and はがき. Pick the sheet you are holding and the tool stops guessing.

Supported paper sizes mm in
A4 210 × 297 8.27 × 11.69
A3 297 × 420 11.69 × 16.54
B5 182 × 257 7.17 × 10.12
B4 257 × 364 10.12 × 14.33
Letter 215.9 × 279.4 8.50 × 11.00
Legal 215.9 × 355.6 8.50 × 14.00
F4 (long bond) 215.9 × 330.2 8.50 × 13.00
はがき (postcard) 100 × 148 3.94 × 5.83
L-size photo 89 × 127 3.50 × 5.00
4 × 6 in 101.6 × 152.4 4.00 × 6.00

Frequently asked questions

Are my images uploaded to a server?

No. Every tool on this site runs inside your browser: your file is read from disk, decoded and processed on your own device, then handed back to you as a download — it never travels over the network. You can verify this by opening your browser devtools and watching the network tab while you work.

How do I get a long screenshot onto A4 paper?

Drop one or several of them into the tool at the top of this page, put them in the order you want, and press Cut & stitch. Each screenshot is cut into strips whose printed height is exactly A4’s long edge (297 mm), one to four of those strips share each sheet, and the strips carry on from one image to the next. Download the pages as numbered PNGs or as a single A4 PDF, then print at 100% scale.

Is there a file size or usage limit?

No artificial limits. The only constraint is your own device memory: very large images (above roughly 50 MB, or several tens of thousands of pixels tall) may be slow on older phones. There is no daily quota, no watermark and no paywall.

Do I need an account?

Free, unlimited, no payment — signing in only keeps the tools from being used in bulk. That does not mean paperwork: continue as a guest with one tap and no email at all, or sign in with Google or email to keep the same session across devices. Nothing beyond your email address is ever stored.

Which formats can I convert between?

PNG, JPG and WebP in any direction. Use WebP for websites because it is much smaller at similar quality, JPG for photos and anywhere you need universal compatibility, and PNG when you need lossless quality or transparency.

Why does my transparency disappear sometimes?

JPG does not support transparency. If you convert a PNG with a transparent background to JPG, those transparent areas become white. Convert to WebP or keep PNG if you need to preserve transparency.

Does converting lose quality?

Converting to PNG or WebP from PNG is lossless. Converting to JPG or WebP is lossy and re-encodes the image, so quality drops slightly — raising the quality slider reduces the loss at the cost of a larger file.