Free color tools (or 'colour tools' in the UK) for webmasters and web designers:
Websafe Color Picker Tool
all web-safe colors (6×6x6 = 216 colors). Color Picker Tool
16×16x16 = 4096 colors.
Make Websafe Colors
convert any color to a web-safe color. Color Mixer Tool
for mixing new colors.
Create Colors by RGB Values
mix color values to create new colors. Combine Colors Tool
combine two colors into one.
Color Matcher Tool
find how well two colors match. Compare Colors Tool
compare six color samples.
Close Colors Tool
find similiar colors to a chosen color. Opposite Color Tool
complementary color tool.
Random Color Tool
eight random colors & their values. Text on Background Tool
foreground text / background color combinations.
More Good Color Stuff:
Websafe Color Chart - web-safe color chart with color codes.
About Web Colors - In-depth article about color on the web.
Full Color Spectrum - Shows all colors.
Stakepower is a website value calculator, estimations and information tool. It is a free website where you can calculate your website value, number of daily visitors, website worth, website information and many other information.
Allows you to view the location of Flickr photos and GPS tracks. It will also allow you to geotag your Flickr photos and upload your own GPS tracks. The "yuan" command searches the maps for an address. It defaults to load Flickr photos, but you can add "-service gps" to load GPS tracks. Optionally, the zoom level can be set using "-z". Zoom options are from 1 (the whole world) to 19 (street level).
Curious about the value of your website or someone else's? Estimurl.com helps you in one step to check how much a site is worth. Just enter the webadress and you'll get an instant overview of the value of the site, the daily revenue and other important statistics.
*CIE Color Calculator: Converts among most of the CIE color models as well as providing correlated color temperature and standard RGB conversions.
*Companding Calculator: Converts among luminance, CIE L*, density and gamma. Includes both a numeric calculator and a graphical display.
*Color Difference Calculator: Computes color differences using several different methods (CIE1976, CIE1994, CIE2000, CMC).
*Chromatic Adaptation Calculator: Converts colors between reference whites using different chromatic adaptation algorithms.
*CIE Spectral Display: Calculates and displays many useful CIE functions, such as the Standard Observers, the Standard Illuminants and blackbody radiators.
*Spectral Calculator Spreadsheets: Calculates colorimetry, densitometry and RGB values from your spectral data.
*Levels Calculator: See how you lose levels when you pass data through curves.
*ColorChecker Calculator: Performs many spectral calculations on the 24 colors of the ColorChecker chart.
*ColorChecker RGB Summaries, Spreadsheets and Lab TIFF File: You will find three things on this page, a) summaries of the ColorChecker colors, expressed in each of many standard RGB color spaces, b) spreadsheets that allow you to find which RGB color space is closest to your RGB values, and c) a computer generated Lab TIFF file of the ColorChecker.
*Munsell Display Calculator: Displays the Munsell color set (2734 colors) in xyY, Lab and Luv. This is a useful tool for evaluating uniform perceptual color spaces. Also included is an explanation of the infamous "blue turns purple" problem often seen with printer profiles.
*Dot Gain Calculator: Performs the standard Murray-Davies dot gain equation to your density measurements.
*Dot Gain from Lab or Profile: Two spreadsheets which calculate dot gain from Lab measurements, also allowing you to measure the dot gain of a CMYK ICC printer profile.
How much is my website worth?
Curious about the value of your website or someone else's? CheckWebsiteWorth.com helps you in one step to check how much a site is worth. Just enter the webadress and you'll get an instant overview of the value of the site, the daily revenue and other important statistics.
"Like paper money and gold before it, bitcoin is a currency that allows parties to exchange value. Unlike it predecessors, bitcoin is digital and decentralized. For the first time in history, people can exchange value without intermediaries which translates to greater control of funds and lower fees."
Exefen is tool for easily adding XFN values to hand-rolled links. If you're using a system like WordPress to manage your links, adding rel values is a matter of a few clicks, and this tool brings that ease of use to any page on the world wide web. It parses a given page, returns all the external links, and lets you choose XFN values for each.
We offer free services for all sites, website statistics, website reviews and SEO tools for website owners or any site on the internet, our tool check your own website within a moment and offers website value calculator and Page Rank.
The WebGL Globe
The WebGL Globe is an open platform for geographic data visualization. We encourage you to copy the code, add your own data, and create your own.
If you do create your own globe, please share it with us. We will post our favorite links below.
Features:
Latitude / longitude data spikes
Color gradients, based on data value or type
Mouse wheel to zoom
More features are under development...
Based on millions of recent test results from Speedtest.net, this index compares and ranks consumer download speeds around the globe. The value is the rolling mean throughput in Mbps over the past 30 days where the mean distance between the client and the server is less than 300 miles.
API
To create a PDF from a web page or a feed, pass the URL (encoded) in the querystring to the following URL:
http://fivefilters.org/pdf-newspaper/makepdf.php?feed=[url]
To customise the output, the following options can be appended to the querystring above (again, make sure to URL encode the values):
&title=[PDF title]
&order=[Date order] ('desc' or 'asc')
&images=[Include images?] ('true' or 'false')
&fulltext=[Fetch full text?] ('true' or 'false')
This tool is 100% free. No software is needed, and you don't have to register. You only need your favorite Internet browser.To convert a file located on your computer: Check File mode, click Browse and choose the file, select input format (if autodetection fails) and set output format to 'Animated GIF (.gif)', submit the form.To convert a file located on a webserver: Check URL mode, enter the file URL, select input and set output format to 'Animated GIF (.gif)'.
After selecting 'Animated GIF (.gif)' as output format, you can choose to resize or set the Frames/second number (if the animated gif you get is too big in size, try reducing these values).