Quick guides, practical answers, and useful articles about tools and apps.
A small set of practical articles that are already useful on the live platform.
Split a large PDF into chapters or page ranges online, keep files organized, and check each smaller PDF before sharing.
5 min read Read article
Add a QR code to a business card, choose between a vCard or link, keep it scannable, and test before printing.
6 min read Read article
Create a QR code for a restaurant menu, choose the right link, test scanning, and prepare a print-friendly table card.
6 min read Read article
Convert iPhone HEIC photos to JPG on Windows in the browser, choose JPG or PNG, and keep originals safe before sharing or uploading.
6 min read Read article
Use browser-based file tools for quick document, image, PDF, spreadsheet, and metadata tasks without installing desktop software.
5 min read Read article
Use a regex tester online to test JavaScript patterns, flags, highlighted matches, captured groups, presets, and replacement output.
5 min read Read article
Use a free meta tags generator for SEO, Open Graph, Twitter Cards, robots tags, and search preview before publishing a page.
5 min read Read article
Explore Dinosaurs AR 4D, a dinosaur learning app for kids with T-Rex, 13 dinosaurs, animal sounds, AR play, languages, and tracing.
5 min read Read article
Explore Animals AR 4D, an animal AR learning app for kids with 36 animals, 13 dinosaurs, real sounds, languages, and tracing practice.
5 min read Read article
Use a file metadata viewer online to inspect file name, size, type, date, image dimensions, and media duration before sharing.
5 min read Read article
Use an MD5 and SHA-256 checksum generator online to verify downloaded files, compare hashes, and confirm file integrity in your browser.
5 min read Read article
Use a text case converter online to switch between uppercase, lowercase, title case, camelCase, snake_case, kebab-case, and more.
5 min read Read articleShort tutorials, helpful answers, and tips tied to our tools and apps.
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