Speech to Text Dictation - Online Transcribe Audio & Mic
Use your microphone to dictate text and see it appear live. Also upload an audio file for basic transcription. All local.
UD5 Toolkit
Record, play back & download high-quality audio — right in your browser
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Use your microphone to dictate text and see it appear live. Also upload an audio file for basic transcription. All local.
Use your microphone to dictate text and see it appear live. Also upload an audio file for transcription (limited). All local.
Test your browser's built‑in speech recognition. Speak and see the transcribed text appear live. Must‑have for voice app devs.
Interactive soprano recorder chart showing which holes to cover for each note. Switch between baroque and German fingering.
Click pads with mouth drum sounds (kick, hi‑hat, snare) to create a beatbox rhythm. Record & playback.
Play random Morse characters at configurable speed. Learn with Koch or Farnsworth method.
Hear a word spoken by browser TTS and type the spelling. Choose difficulty or paste your own list. Great for kids. Local only.
Drop a WAV file and see its full header: sample rate, bit depth, channels, and chunk structure. Raw bytes explained.
Load an audio file and see its spectrogram with frequency over time. Adjust resolution and color map. Discover hidden sounds.
Analyze a monophonic audio recording and convert the pitch into a MIDI file. Perfect for capturing musical ideas. Client-side.
Change the sample rate of an audio file (e.g., 48kHz to 44.1kHz) without leaving the browser. Ideal for podcast prep.
Adjust an audio file's volume to a target loudness level (e.g., -14 LUFS). Prevent clipping. Works in the browser.
Shift the pitch of any audio clip by semitones without affecting playback speed. Perfect for music transposition. Local Web Audio.
Drop an audio file and instantly see its duration in seconds and formatted time. Read metadata without full playback.
Write text and pick a voice, rate, and pitch to test your browser's speech synthesis capabilities. No download.
See the fundamental frequency (pitch) of your voice in real time using auto‑correlation. For singers and speech training. No upload.
Click buttons to play real animal sounds: lion roar, bird tweet, dolphin click. Studio recorded. No load.
Upload an audio clip and generate an animated GIF of its waveform dancing. Shareable sound snippet. Canvas magic.
Remove silent parts from an audio recording. Useful for podcasts and lectures. Set threshold and minimum silence duration.
Select a part of an audio file and trim it to the selection. Playback preview. Download the cropped audio. No upload.
A 10‑band graphic equalizer applied to any audio file or mic input. Save presets. All processing via Web Audio API.
Simple phase cancellation tool: load a stereo track and attempt to remove center‑panned vocals. Not perfect, but fun to experiment.
Interactive piano showing typical vocal ranges from Bass to Soprano. Highlight your range. For choir members.
Write a short note and set a specific time for a browser notification reminder. Great for quick one‑offs. Local.
Enter a MIDI note number (0–127) or a musical note name and get the exact frequency in Hz. Piano keyboard picker.
Encode short audio clips into Base64 data URIs for direct embedding in HTML5 <audio> tags. No external files needed.
Browse a collection of common bird calls. Play short audio samples to identify birds you hear. Educational static data.
Visualize audio in real time from your microphone or uploaded audio file. See the waveform dance. Uses Web Audio API locally.
Translate text to Morse code with audio playback. Adjust speed and tone. An educational tool for amateur radio enthusiasts. Works offline.
Generate pure audio tones of specific frequencies (Hz). Adjust waveform type (sine, square, sawtooth). Ideal for audio testing and science experiments.