Image & file tools
Compressing, resizing, converting and combining images, plus the arithmetic of file sizes. Every one runs in your own browser, and nothing is uploaded.
Image compressor
Fewer bytes, same picture, nothing uploaded
A 4 MB photo at 70% qualitySame dimensions, a fraction of the bytes
Image resizer
New dimensions, with the proportions kept
4000 × 3000 to 800 wide800 × 600
Image format converter
PNG, JPEG and WebP, whichever way round
A PNG screenshot to JPEGOne step, no upload
Image to PDF
Several pictures, one document, in order
Nine photos, in orderOne PDF, nine pages
PDF password remover
Take the password off a PDF you can already open
A statement whose password you knowThe same PDF, no password
Government form photo and signature maker
Exact pixels, exact kilobytes, in your browser
A 4 MB phone photo, 30 KB limit413 by 531, 29 KB
Subtitle two-point resync
Fix subtitles that drift, not just ones that are late
1 second out at the start, 40 at the endStretched 0.741%, both ends right
File size converter
Kilobytes twice over, and which one you meant
500 GB in gibibytes465.66 GiB