PlainlyKit

PlainlyKit, also known as Plainly, is an independently maintained collection of free online tools for documents, text, images, and everyday calculations. Users can access features like PDF merging, image conversion, and text utilities directly from a web browser without needing to create an account. The platform provides a receive-only temporary email service and a documented API for testing email workflows to help with everyday tasks.

The flip coin tool allows users to make a fair toss for small decisions by choosing between heads or tails. It requires no sign-up and can be tried right there on the site. The tool is designed to leave a little to chance for your next little decision.

Users can access a credit utilization calculator to compare card balances with limits, a commission calculator for sales earnings, and a TDEE calculator that uses the Mifflin–St Jeor formula. There is also a calorie deficit calculator, a protein calculator, and a simple interest calculator that shows years, months, or days. All of these tools display estimates and explain their methods on their respective pages.

The platform offers a PDF editor to add text, highlights, and a signature while keeping the original file separate. Users can also merge multiple PDFs together by setting the order before downloading the result. Additionally, there is a PDF editor that allows adding text and highlights to existing documents.

This developer tool converts pixel and rem sizes based on your root font size, either individually or in a block of CSS. It is part of the developer tools section designed to assist with web design calculations. The tool helps developers adjust sizes accurately within their projects.

The nutrition calculators, such as the TDEE and protein calculators, are explicitly labeled as educational tools rather than individual medical plans. They provide estimates based on published formulas like the Mifflin–St Jeor formula but do not guarantee suitability for every individual. Users are encouraged to review the result and the tool's limitations before using the output for personal decisions.

The project is currently self-funded and the tools are free to use. The site currently has no advertising trackers, though advertising may be introduced later. If the funding model changes how information is handled, the privacy page will be updated to reflect any new policies.

The time duration tool starts with 09:00 to 17:30, which is 8 hours 30 minutes or 8.5 decimal hours. It counts clock time with 24-hour days and does not adjust for daylight saving. A 30-minute break makes the total 8 hours, and the tool clearly states these assumptions on its page.

Users can generate a fresh animal for their next idea by choosing a group, generating a list, and copying their picks. There is also a QR code generator that makes a static QR code for a link or text and allows downloading a clear PNG. These tools help users find inspiration or create quick digital assets.

To merge PDFs, users bring their files together, set the desired order, and then merge them before downloading the combined document. The process allows users to check document order, portrait and landscape page sizes, and selectable text without using private documents. This ensures the final output meets the user's specific layout requirements.

The simple interest calculator allows users to calculate interest and a final amount using years, months, or days. It displays the working shown and explains the method, its assumptions, and the relevant sources on the tool page. Users can input their specific values to get a clear breakdown of the financial result.

The weighted grade calculator helps users calculate their current weighted grade and the score needed on remaining work. It provides a clear breakdown of the calculation and allows users to input their specific grades and weights. The tool is designed to assist students in understanding their academic standing.

The calories burned calculator estimates activity calories from weight and duration, including walking. It allows users to input their specific activity data to get an estimate of energy expenditure. The tool is designed to provide a quick estimate for various physical activities.

The official website of PlainlyKit is plainlykit.com.

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