Resources

PDFtk is a simple tool for doing everyday things with PDF documents. It comes in three flavors: PDFtk Free, PDFtk Pro, and our original command-line tool PDFtk Server.

Sketchpad: Free online drawing application for all ages. Create digital artwork to share online and export to popular image formats JPEG, PNG, SVG, and PDF.

The NCES Kids' Zone provides information to help you learn about schools; decide on a college; find a public library; engage in several games, quizzes and skill building about math, probability, graphing, and mathematicians; and to learn many interesting facts about education.

We have encouraged our readers to participate in a contest by designing beautiful and creative horizontal lines. It was necessary, since this design-element was slowly disappearing and was often neglected in web design. But it is going to change now. We have received 1290 images and source-files from 384 designers across the globe. The result is an impressive collection of horizontal lines that designers can use for free without any restrictions whatsoever.

You can search for text in fields of type text, or in calculation fields that return a text result.

Easy to use online animated GIF maker and image editor. Create, convert, crop, resize, reverse, optimize animated GIF, WebP, APNG files, images and videos.

Wavacity is a port of the Audacity audio editor to the web browser. Free and open-source. No install required.

Free online web content composer with HTML source editor and rich text WYSIWYG editor preview. It works without downloading and installing any program.

Make photo in the form of a circle, triangle, heart or in different geometric shapes online.

Hemingway Editor makes your writing bold and clear.

Useful, free online tool that converts HTML code to Markdown. No ads, nonsense, or garbage, just a neat Markdown converter. Press a button – get the result.

Easily create animated GIFs online from videos, Youtube, video websites, or images. Simple yet powerful customization options.

Best and free HTML Convert to Markdown Online Tool. Get Website HTML Content by Url, Convert With Readability and Image Proxy.

A free and open source software to merge, split, rotate and extract pages from PDF files

Free for everyone (commercial and print usage allowed). QR codes on business cards, T-Shirts, mugs and more! Logo QR code possible.

Micro.blog-hosted blogs and replies support Markdown for formatting your posts. While most of Markdown’s syntax is allowed, you should limit markup to simple formatting and links so that it reads well in microblog posts. Micro.blog’s timeline will additionally strip out some HTML tags from blog posts. Emphasis: To emphasize some words or phrases, surround the text with single underscores. This will produce italic text when shown on your microblog and in the timeline: Here is some _italic_ text...

Do you want to share files between devices, keep them synced up, and avoid using cloud services to do the job? SyncThing has your back.

Online GIF maker where you can create animated GIFs, banners, slideshows from sequence of images. Upload frames and make a GIF or merge and edit existing GIFs

Drag and drop images from your desktop into the app. You can rotate and drag them. And generate your animated GIF! May even work while you're disconnected!

This guide aims to provide you with a step-by-step approach to help you bring your ideas to life and complete your very own book.

Writing novels requires a lot of work, but tools like Manuskript might potentially be able to help.

Are your sentences overly long and confusing? In this post, we write about six ways to shorten your sentences and improve your writing.