Media
Free online collection of audio and video tools, providing various multimedia processing tools such as audio extraction, video compression, format conversion, video editing, audio and video merging, video to GIF conversion, volume adjustment, etc. No software installation required, can be used directly in the browser, supports common audio and video formats, simple and efficient.
Video
Video Converter
Convert MP4, MKV, AVI, MOV, WebM and GIF, extract MP3/WAV/AAC audio, with trimming, compression and effects
Thumbnail
Video Thumbnail Wall
Evenly sample frames over time into a thumbnail grid; click any frame for its PNG.
Video Info
Video Info
Read video duration, resolution, type, size and estimated bitrate fully offline in your browser.
Frame Grab
Video Frame Grabber
Jump to any moment of a video and export the current frame as a crisp PNG.
TTS
Text to Speech
Free online text to speech. Type bilingual text and tune voice, rate and pitch for instant reading.
Tone
Audio Tone Generator
Pick a waveform, frequency and volume to synthesize pure test tones locally and export WAV.
Soundboard
Soundboard
Ten WebAudio-synthesized sound effects on colorful pads, tap to play, master volume.
Recorder
Online Voice Recorder
Free online voice recorder that captures your microphone with a live waveform, playback and download.
Preview
Media Previewer
Upload video, audio and images in one place, auto-detect type, play or display with metadata.
Playlist
M3U Playlist Maker
Pick local audio files and export a relative-path M3U playlist, supporting Chinese file names.
Piano
Online Piano
Free online keyboard piano with two octaves, mouse or keyboard play, four synthesized timbres.
Noise
White Noise Generator
Free online noise generator. White, pink and brown noise with volume and fade-in control.
Metronome
Online Metronome
Free online metronome with adjustable BPM, time signature and accent, synthesized via WebAudio.
Equalizer
Simple Equalizer
Upload audio, tune bass/mid/treble gain, audition A/B live and export processed WAV.
Chords
Chord Tool
Pick a root and chord type, inspect note names and frequencies, audition the chord locally.
Camera
Online Camera Snapshot
Free online camera snapshot tool with live mirrored preview, one-click shutter and PNG download.
BPM
BPM Converter
Convert BPM to ms per beat, note durations and bar length for 2/4, 3/4, 4/4 and 6/8.
Waveform
Audio Waveform
Decode audio and draw its peak waveform, switch density, and play it back locally.
Audio Merge
Audio Merger
Concatenate clips in queue order, unify sample rate and channels, export WAV.
Audio Info
Audio Info
Read audio duration, sample rate, channel count, size and frame count after decoding, locally.