Tiny Online Tools
Visualize the waveform of any audio file in your browser. View duration, sample rate, channels, and play back inline.
Click to browse or drag & drop files here
Select an audio file
Accepted: audio/*
View duration, sample rate, channels, bitrate, and ID3 tags of any audio file in your browser. Fully private.
Add smooth fade-in and fade-out effects to any audio file in your browser.
Convert audio files (MP3, OGG, AAC, FLAC) to WAV with custom sample rate and mono/stereo options.
Audio Normalizer helps you make audio peaks more consistent directly in your browser. Use it for fast, private media cleanup, publishing, lessons, demos, and everyday video or audio editing.
Capitalize the first letter of each word.
Generate HMAC signatures from text.
Generate lists of random true/false values with configurable probability and count.
Browse our full collection of free online tools.
Decode and visualize any audio file's waveform directly in your browser. The tool uses the Web Audio API to read the file, downsample channel data into peaks, and render a crisp blue waveform on canvas.