Vector Magic: Precision Bitmap To Vector Conversion Online
Automatically convert bitmap images like JPEGs, GIFs and PNGs to the crisp, clean, scalable vector art of EPS, SVG, and PDF with the world's best auto-tracing software.
Related cards:
Always convert and strip user-provided images to sRGB
Debugging image color profiles is hard. You can't trust your eyes in this matter, as the image rendering depends on multiple factors. At least the operation system, browser or image viewer software and monitor influence the resulting image colors ...
CarrierWave: Processing images with libvips
When you write your next CarrierWave uploader, consider processing your images with libvips instead of ImageMagick.
Reasons for libvips
There are several **upsi...
ImageMagick: Converting SVG to raster image formats like PNG or JPEG
Conversion
ImageMagick can convert SVGs to raster image formats.
Example for PNG:
convert input.svg output.png
If the SVG has a size of 24x24 (viewBox="0 0 24 24"), the resulting PNG will also have a size of 24x24.
Resizing...
Generating test images on the fly via JavaScript or Ruby
When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself.
Here we build a simple SVG image and wrap it into a data: URI. Al...
Converting SVG to other vector formats without Inkscape
If you need to convert an SVG source to PS or EPS, the most common suggestion on the interwebs is to use Inkscape from the commandline.
Inkscape is a fairly resource-heavy tool with [lots of dependencies](https://packages.ubuntu.com/jammy/inkscape...
Optimizing images for web
For webpages to load fast it's recommended to optimize images. Ideally an image's file size should be as small as possible while still being of decent quality. This card demonstrates two command line tools for image optimization
Use identify to...
Customize tokenization of the MySQL FULLTEXT parser
The way MySQL's FULLTEXT tokenizer splits text into word tokens might not always be what you need. E.g. it splits a word at period characters.
Since the tokenizer has near-zero configuration options (minimum word length and stopwords list), you n...
CSS: How to force background images to scale to the container, ignoring aspect ratio
You can scale background images in CSS to the container size using background-size (Demo).
Commonly, we use contain or cover because we want to preserve the ima...
How to: Upgrade CarrierWave to 3.x
While upgrading CarrierWave from version 0.11.x to 3.x, we encountered some very nasty fails. Below are the basic changes you need to perform and some behavior you may eventually run into when upgrading your application. This aims to save you some...
What's My DNS? Global DNS Propagation Checker
whatsmydns.net is an online service that allows you to instantly perform a DNS lookup to check a hostnames current IP Address and other DNS information against a selection of random name servers around the world. This is especially useful to check...