SSML Generator & TTS Demo - Online Speech Synthesis
Write SSML to control pitch, speed, and breaks. Play the generated speech with the browser’s TTS engine. Learn SSML.
UD5 Toolkit
Create retro arcade sounds, chip-tune blips & pixel-perfect noise fx
Write SSML to control pitch, speed, and breaks. Play the generated speech with the browser’s TTS engine. Learn SSML.
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.
Design a custom analog clock face by choosing colors, hands, and numbers. Download as SVG or PNG. For craft or UI design.
Paste lyrics and tap while the song plays to embed timestamps. Export as .lrc file for music players. All in browser.
Enter a MIDI note number (0–127) or a musical note name and get the exact frequency in Hz. Piano keyboard picker.
Upload a logo to embed in the center of a QR code. High error correction so it still scans. Download PNG/SVG.
Generate random license keys or serial numbers in various formats (XXXX-XXXX-XXXX). Useful for software activation testing. Local generation.
Sing or play an instrument into the mic and see the detected pitch on a real‑time chromatic tuner. Use for practice or ear training.
Generate cryptographic key pairs using the Web Crypto API. Export as JWK or raw. No server needed; pure security.
Build an accessible modal using the native <dialog> element. Customize backdrop, content, and open/close logic. Copy the code.
Trim a video clip and convert it into an animated GIF. Adjust frame rate and size. Processing stays on your computer for privacy.
Write HTML, CSS, and JavaScript in separate panes and see the result in real time. Store your snippets locally.
Upload multiple SVGs and combine them into a single SVG sprite sheet with `<symbol>` and `<use>`. Fast icon system.
Design a custom counter style with symbols, range, and speak‑as. Preview ordered lists with your new style. Export the CSS rule.
Generate encrypted passwords for .htaccess basic authentication. Create .htpasswd entries using bcrypt, MD5, or SHA. Server admin utility, local compute.
Add columns with types and constraints, then generate a SQL CREATE TABLE statement. Supports MySQL/PostgreSQL.
Generate a complete <head> section with meta charset, viewport, SEO, favicon, and social tags. Customize and copy.
Combine random character, setting, conflict, and genre to generate unique story prompts. Over 10,000 possible combinations. Perfect for overcoming writer's block.
Design custom unordered and ordered lists with images, strings, or counters. Preview and copy the CSS.
Generate the next sequential invoice number with optional prefix and date stamp. Keep track locally or export.
Get a clean, commented JS plugin skeleton with IIFE or ES module pattern. Start your new library faster.
Place rectangular pattern pieces on a virtual fabric width to optimize cutting layout and reduce waste. Simple manual drag & drop. Local only.
Compare visibility: hidden vs display: none. See how each affects layout and event listeners. Inline code.
Paste a list of URLs or texts and generate QR codes all at once. Download as individual images or a single sheet.
Run multiple named timers simultaneously for cooking. Presets like pasta, rice, etc. Audio alarm. Works in background.
Build a basic Nginx server block for a static site, reverse proxy, or PHP. Fill in the blanks and copy the config.
Build Apache mod_rewrite rules for redirects or clean URLs. Fill in simple fields and get the .htaccess code.
Fill in container image and ports. Generate a Deployment and Service YAML with best practices. Start your K8s journey.
Set a meditation session with singing bowl sounds at start, interval chimes, and end bell. No ads, pure serenity.