Kitchen Timer - Online Multiple Preset Countdowns
Run multiple named timers simultaneously for cooking. Presets like pasta, rice, etc. Audio alarm. Works in background.
UD5 Toolkit
Online Interval Singing Bowl · Focus · Relax
Run multiple named timers simultaneously for cooking. Presets like pasta, rice, etc. Audio alarm. Works in background.
Dual-function tool: a precise stopwatch with laps and a configurable countdown timer with alarm sound. Works offline, perfect for activities.
Generate classic retro sound effects (coin, jump, explosion) using oscillators and noise. Play and download as WAV. Web Audio API fun.
Paste lyrics and tap while the song plays to embed timestamps. Export as .lrc file for music players. All in browser.
Sing or play an instrument into the mic and see the detected pitch on a realβtime chromatic tuner. Use for practice or ear training.
Design a custom analog clock face by choosing colors, hands, and numbers. Download as SVG or PNG. For craft or UI design.
An animated hourglass that you can set for any time. Watch the sand flow. Beautiful and calming timer.
Enter a MIDI note number (0β127) or a musical note name and get the exact frequency in Hz. Piano keyboard picker.
Record audio from your microphone and export as a WAV file. Monitor levels. Processed entirely in your browser.
Record audio from your microphone and export as a WAV file. Monitor levels. Processed entirely in your browser.
Write SSML to control pitch, speed, and breaks. Play the generated speech with the browserβs TTS engine. Learn SSML.
Paste a list of URLs or texts and generate QR codes all at once. Download as individual images or a single sheet.
Combine random character, setting, conflict, and genre to generate unique story prompts. Over 10,000 possible combinations. Perfect for overcoming writer's block.
Fill in container image and ports. Generate a Deployment and Service YAML with best practices. Start your K8s journey.
Place rectangular pattern pieces on a virtual fabric width to optimize cutting layout and reduce waste. Simple manual drag & drop. Local only.
Generate the next sequential invoice number with optional prefix and date stamp. Keep track locally or export.
Design a custom counter style with symbols, range, and speakβas. Preview ordered lists with your new style. Export the CSS rule.
Compare visibility: hidden vs display: none. See how each affects layout and event listeners. Inline code.
Connect to a serial device (Arduino, etc.) via the Web Serial API. Send and receive text. No native app needed.
Upload a logo to embed in the center of a QR code. High error correction so it still scans. Download PNG/SVG.
Design custom unordered and ordered lists with images, strings, or counters. Preview and copy the CSS.
Generate encrypted passwords for .htaccess basic authentication. Create .htpasswd entries using bcrypt, MD5, or SHA. Server admin utility, local compute.
Generate cryptographic key pairs using the Web Crypto API. Export as JWK or raw. No server needed; pure security.
Write HTML, CSS, and JavaScript in separate panes and see the result in real time. Store your snippets locally.
Trim a video clip and convert it into an animated GIF. Adjust frame rate and size. Processing stays on your computer for privacy.
Write a function name and get a complete unit test stub with describe, it, and expect. Follows AAA pattern.
Convert between square meters, square feet, acres, hectares, and more. Essential for real estate and land measurements. Instant results, private data.
Add columns with types and constraints, then generate a SQL CREATE TABLE statement. Supports MySQL/PostgreSQL.
Build an accessible modal using the native <dialog> element. Customize backdrop, content, and open/close logic. Copy the code.
Generate random numbers and watch the live histogram. Compare uniform, normal, and exponential distributions.