Reducing image size for emails and apps

It’s been a long time… I just wanted to share a project that my friends built with a bit of my guidance: imagesize.memohub.pro/ Basically it’s a small web app that takes a bunch of images and compresses them to a neccessary size. Processing happens in a browser. Your images and photos stay in your computer and they are never uploaded to any server. It can be handldy when you need to attach many photos to an email, or there is a limitation on file size in visa application....

November 2, 2025 · SergeM

Image and video processing recipes

I often need to perform some operations on videos or image sequences. Usually I use linux and `ffmpeg`, and sometimes I struggle to remember all the commands. Here is a collection of recipes that I usually use with a bit of explanations. Video conversions ========================== Cut a range of frames --------------------------- Cut a range of frames (100, 130) from a video and save it to mp4 with a good quality using x264 codec: ....

March 27, 2020 · SergeM