Video to Audio Extractor - Online Save MP3 from MP4
Extract the audio track from any video file and download it as MP3 or WAV. Works offline; no server upload.
UD5 Toolkit
Extract crystal-clear MP3 audio from any video file. 100% private – no uploads, just local conversion.
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Initializing conversion engine...
Extract the audio track from any video file and download it as MP3 or WAV. Works offline; no server upload.
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 a video and visually check if audio aligns with lips. Use frame‑by‑frame stepping. Debug playback issues.
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.
Parse an SVG path’s d attribute and list all the commands and absolute coordinates. Convert relative to absolute. Local.
Drop a PDF and count the total words, characters, and pages. Text extraction is done locally. Privacy‑friendly.
Paste an image from your clipboard directly into the page (Ctrl+V) and extract its color palette. No file dialog needed.
Create a slow, zooming and panning photo montage (Ken Burns effect) from your images. Export as WebM video. Canvas.
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.
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.
Play any video at a custom rate (0.25x to 4x) without audio pitch change. Save the playback speed as a link. Local.
Remove silent parts from an audio recording. Useful for podcasts and lectures. Set threshold and minimum silence duration.
Fetch a website's CSS and extract :root custom properties (‑‑color) to reveal its design token palette. For learning and inspiration.
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.
Extract selectable text from a PDF using the browser's built‑in PDF rendering. Copy or download as TXT. No upload, fully private.
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.
Generate pure audio tones of specific frequencies (Hz). Adjust waveform type (sine, square, sawtooth). Ideal for audio testing and science experiments.
Enter text and generate the corresponding Morse code audio beeps. Adjust speed and tone. Great for learning and practicing CW. No download.
Extract specific pages or split a PDF document into multiple files. Works entirely in the browser; your documents never leave your computer.
Convert audio files between popular formats like WAV, MP3, and OGG directly in the browser. No upload, fast encoding using WebAudio and ffmpeg wasm.
Search and extract values from a large JSON object using dot/bracket notation. Quickly locate deeply nested fields. Data stays local in your browser.