Online Audio Recorder - Record Voice & Export WAV
Record audio from your microphone and export as a WAV file. Monitor levels. Processed entirely in your browser.
UD5 Toolkit
No recordings yet. Click the microphone to start!
Record audio from your microphone and export as a WAV file. Monitor levels. Processed entirely in your browser.
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 classic retro sound effects (coin, jump, explosion) using oscillators and noise. Play and download as WAV. Web Audio API fun.
Enter a MIDI note number (0–127) or a musical note name and get the exact frequency in Hz. Piano keyboard picker.
Write SSML to control pitch, speed, and breaks. Play the generated speech with the browser’s TTS engine. Learn SSML.
Trim a video clip and convert it into an animated GIF. Adjust frame rate and size. Processing stays on your computer for privacy.
Paste lyrics and tap while the song plays to embed timestamps. Export as .lrc file for music players. All in browser.
Generate random license keys or serial numbers in various formats (XXXX-XXXX-XXXX). Useful for software activation testing. Local generation.
Convert between square meters, square feet, acres, hectares, and more. Essential for real estate and land measurements. Instant results, private data.
Convert any human‑readable date to a Unix timestamp in seconds or milliseconds. Also shows ISO 8601. Clean interface.
Generate cryptographic key pairs using the Web Crypto API. Export as JWK or raw. No server needed; pure security.
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds. Ideal for developers debugging time-related code.
Generate the next sequential invoice number with optional prefix and date stamp. Keep track locally or export.
Connect to a serial device (Arduino, etc.) via the Web Serial API. Send and receive text. No native app needed.
Run multiple named timers simultaneously for cooking. Presets like pasta, rice, etc. Audio alarm. Works in background.
Convert an SVG shape into a CSS mask‑image. Transparent regions become masked. Great for custom image crops. Client‑side.
Convert a JSON array of strings or numbers into a single‑column CSV. Quick data dump. Local.
Convert JSON data structures to clean, human-readable YAML. Indentation and formatting preserved. All processing done locally for your privacy.
Dual-function tool: a precise stopwatch with laps and a configurable countdown timer with alarm sound. Works offline, perfect for activities.
Paste a list of URLs or texts and generate QR codes all at once. Download as individual images or a single sheet.
Write HTML, CSS, and JavaScript in separate panes and see the result in real time. Store your snippets locally.
Upload a logo to embed in the center of a QR code. High error correction so it still scans. Download PNG/SVG.
Add items with category, color, season. Plan outfits. Drag and drop. Stored locally.
Write a note encrypted with a passphrase, share the link. Once opened and decrypted, the note is deleted from browser storage. Local only.
Place rectangular pattern pieces on a virtual fabric width to optimize cutting layout and reduce waste. Simple manual drag & drop. Local only.
Get a clean, commented JS plugin skeleton with IIFE or ES module pattern. Start your new library faster.
Add columns with types and constraints, then generate a SQL CREATE TABLE statement. Supports MySQL/PostgreSQL.
Build Apache mod_rewrite rules for redirects or clean URLs. Fill in simple fields and get the .htaccess code.
Build an accessible modal using the native <dialog> element. Customize backdrop, content, and open/close logic. Copy the code.
Select trip type (beach, business, camping) and get a pre-filled packing checklist. Customize and print. Local storage.