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Small tools.
Shared foundations.

Hello Keyboard Tools is an independent website. It is not the official OmniTools service and is not affiliated with its authors.

OmniTools

Selected text and QR code logic is adapted from OmniTools, commit 89a50e3, released under the MIT License. Copyright © 2024 Ibrahima Gaye Coulibaly. The user interface and static page structure here are separate implementations; image processing uses browser APIs.

Browser libraries

QR code generation uses node-qrcode. Text comparison uses jsdiff. JSON-to-YAML conversion uses yaml. HTML character-reference conversion uses html-entities. Markdown conversion uses marked, and its HTML output is cleaned with DOMPurify. Local PDF parsing, rewriting, and standard sticky-note annotations use pdf-lib; local PDF rendering and text extraction uses PDF.js. The website's pages are generated with Astro.

License notices

Read the full third-party notices, including the OmniTools MIT license and notices for the distributed browser libraries.

What is not included

This release does not include OmniTools' AI background removal, HEIC processing, audio or video transcoding, or embedded third-party PDF editor. Their dependencies and services are not part of this website.