Word Counter (web-toolbox.dev)
Free tool for real-time counting of words, characters, sentences, and more in English text. Useful for checking character limits in English writing and SEO content.
Whitespace Converter (www.piliapp.com)
An online tool to convert whitespace characters and line breaks in text. Transform tabs, spaces, and newlines for use in code, HTML, and text processing tasks.
Weight Converter (www.oh-benri-tools.com)
An online tool for converting weight units. Results in multiple units are displayed instantly after input, with customizable significant figures and rounding methods.
Website Color Blindness Simulator (toolpods.io)
Simulate how images or web content appear to users with various types of color blindness including protanopia, deuteranopia, and tritanopia.
WebP Converter (web-toolbox.dev)
Free tool for converting image files to WebP format in the browser. Supports conversion from PNG, JPG, and other formats with quality adjustment to generate lightweight images.
Voice Recorder Web (voice.onl.jp)
A voice recorder web app that lets you record, play back, and download audio using your browser's microphone. Perfect for capturing meeting notes and ideas without installing any app.
Vision Check Web (eye.onl.jp)
A web tool for a quick vision self-check in the browser using Landolt C optotype symbols. Useful as a preliminary check before an eye exam.
Video Player with Still Image (atl2.net)
A web tool for playing videos overlaid on a background image. Designed for exhibition and demo presentations, it supports drag-and-drop upload of background images and videos, with five positioning options for the video overlay.
Video Frame Extractor (web-toolbox.dev)
Free tool for extracting specific frames from a video file as images. All processing is done in the browser, so video data is never sent to external servers.
UUID Validator (web-toolbox.dev)
Free tool for validating whether a UUID is in the correct format. Also identifies the UUID version, useful for API debugging and data validation.
UUID Generator (toolpods.io)
Generate UUIDs (Universally Unique Identifiers). Create multiple v4 UUIDs at once.
UUID / GUID Generator (web-toolbox.dev)
Free tool for randomly generating UUID (v4) or GUID values. Generate multiple UUIDs at once, useful for database design and test data creation.