Calculation of a cost of ton-kilometer

The calculators encode string to base64 string and decode back to original string. Special characters (+/) , generally produced by base64 algorithm, can be replaced by the data provided in additional parameter.

The list filter calculator allows users to apply multiple filters to an initial list of strings.

This online calculator splits lines of text using a regular expression.

This online calculator filters lines of text by removing designated lines or, you can say, leaving only designated lines

This online calculator can help you solve the problems on work done by the current and electric power. It can calculate current, voltage, resistance, work, power and time depending on what variables are known and what are unknown

This calculator allows you to perform simple image manipulation tasks online.

This online calculator converts color image to grayscale image using the luminosity method

This online calculator converts color images to black and white images. Two options are possible: luminosity threshold or Floyd–Steinberg dithering.

This online calculator allows you to process the image with the selected box filter, or use your own box filter.

This online calculator can process the loaded image using one of the several morphological operators

This online calculator applies median filter to an image

This online calculator applies a watercolor effect to an uploaded image by sequentially applying a median filter and a box filter sharpening.

This online tool remove non-standard elements from SVG files created with the Inkscape program

This online calculator allows you to calculate carbon emissions from measurements obtained by the static chamber (closed-chamber) method.

The calculator is a simple yet useful tool that helps users remove tab and/or newline symbols from text.

This online calculator counts the number of values in the list, separated by provided separator.