Audio & Video Tools

Record high-quality audio from your microphone or extract audio from MP4 and WebM video files offline. 100% secure, browser-based utility.

Trim audio clips and convert between MP3, WAV format client-side - Free online audio cutter

Read and write ID3 tags, album art, artist, and track details directly to MP3 file headers - Free online ID3 tag editor

View all ID3 tags — title, artist, album, artwork, BPM, and every embedded frame — from any MP3 file instantly in your browser - Free online MP3 metadata viewer

Generate beautiful vector (SVG) or image (PNG) waveforms from your audio files - Free online waveform generator

Normalize audio loudness to a target LUFS level client-side and download the result as WAV — supports Spotify, YouTube, EBU R128, and podcast standards. Free online audio normalizer.

Compress OGG Vorbis audio by adjusting quality level (q-1 to q10) — shows size vs quality trade-off. Upload any audio format and download compressed OGG instantly. Free online OGG compressor.

Compress audio assets to web-optimized sizes and download an MP3 + OGG pair for maximum browser compatibility — includes ready-to-use HTML5 audio snippet. Free online audio web compressor.

Convert stereo audio to mono and compress — immediately halves audio data size with minimal perceptual loss for voice. Four mix modes, sample rate control. Free online stereo to mono compressor.

Compress WAV audio by reducing bit depth (24→16→8 bit) and sample rate — shows exact size savings. Free online WAV compressor, no signup required.

Detect beats per minute by tapping along to music or uploading an audio file for automatic analysis — built-in metronome included. Free online BPM detector.

Play an audio file and visualize its real-time frequency spectrum with a live EQ display — bars, line, and filled modes — Free online audio equalizer visualizer

Remove background hiss, hum, and ambient noise from voice recordings using spectral subtraction — 100% browser-based, no uploads. Free online audio noise reducer.

Generate a valid iTunes/Apple Podcasts compatible RSS 2.0 feed XML from episode metadata — no server required. Free online podcast RSS feed generator.

Re-encode MP3 files at a lower bitrate (320/256/192/128/96/64 kbps) using LameJS — shows size and quality tradeoff. Accepts MP3, WAV, M4A, OGG. Free online MP3 compressor.

Compress podcast episodes to streaming-optimized mono MP3 — converts stereo to mono, applies 80 Hz high-pass filter, 4 bitrate presets (48–128 kbps). Reduces RSS feed hosting costs. Free online podcast audio compressor.

Reduce audio sample rate from 48 kHz → 44.1 kHz → 22 kHz → 11 kHz — shows file size reduction at each step. WAV (lossless) and MP3 output. OfflineAudioContext resampling. Free online audio sample rate reducer.

Compress M4A audio by reducing sample rate and bit depth — ideal for Apple Voice Memos. Shows exact size savings. Free online M4A compressor, no signup required.

Compress AAC audio files by reducing bitrate — shows quality comparison with original at the selected rate. Free online AAC compressor, no signup required.

Reduce any audio file's bitrate to hit a target file size — shows quality impact at every bitrate and recommends a safe floor. Free online audio bitrate reducer.

Automatically reduce any audio file to under 10 MB by iterating bitrate — shows the full iteration log and selects the highest quality that fits. Free online audio compressor.

Compress FLAC files using maximum lossless compression levels (0–8) — shows size reduction vs default encoding. Free online FLAC compressor, no signup required.

Compress voice memo recordings for speech intelligibility — applies high-pass filter, loudness normalisation, and mono conversion before compressing. Free online voice recording compressor.

Automatically reduce any audio file to under 1 MB by iterating sample rate — shows estimated audio duration preserved. Free online audio compressor to 1MB.

Automatically reduce any audio file to under 5 MB — common WhatsApp voice message and podcast preview size limit. Shows compression steps and duration preserved. Free online audio compressor to 5MB.

Reduce audio file size to under 25 MB for email attachment limits — selects format and bitrate automatically. Free online audio for email compressor, no signup required.

Compress audio to OPUS format — the most efficient lossy audio codec, typically 30% smaller than MP3 at the same quality. 8 bitrate presets from 6–128 kbps. Free online OPUS compressor.

Compare MP3, OGG, AAC, and OPUS compression for the same audio file — shows size and estimated quality score at each format. Free online audio compression comparison tool.

Compress multiple audio files at once with a shared bitrate setting — shows per-file savings and total reduction. Free online batch audio compressor, no signup required.

Trim video duration and mute audio tracks client-side - Free online video trimmer

Automatically compress video to under 10 MB — calculates required bitrate from duration and resolution. Free online video compressor.

Reduce video to email-safe size with presets for Gmail (25 MB), Outlook (20 MB), Apple Mail, and Yahoo Mail — calculates required bitrate automatically. Free online video email compressor.

Create SRT subtitle files from a form-based timeline interface — add cues, set timestamps, and download a valid .srt file instantly - Free online SRT generator

Convert local videos to animated GIFs offline in your browser - Free online video to GIF converter

Convert short video clips to compressed animated GIFs — applies palette optimization and frame rate reduction for the smallest file size. Three compression presets. Free online video to GIF compressor.

View resolution, duration, aspect ratio, frame rate, file size, and codec hints from any video file — thumbnail extraction included. Free online video metadata viewer.

Change the playback speed of a video file and export the result — Free online video speed changer.

Extract still frames from a video at specific timestamps and download them as PNG images — supports multiple timestamps, full resolution, and batch download - Free online video frame extractor

Compress video to under 100 MB while preserving maximum visual quality — automatically calculates optimal bitrate from video duration. Browser-based MediaRecorder API. Free online video compressor.

Automatically compress any video to under 25 MB — targets Gmail, Discord, and standard email attachment limits. Calculates required bitrate from video duration. Free online video compressor to 25MB.

Reduce video bitrate to a custom kbps target — shows resolution recommendations (1080p/720p/480p/360p/240p) and estimated output size for the chosen bitrate. Free online video bitrate reducer.

CRF-style compression with five quality presets — from Visually Lossless to Maximum Compression. Highest quality at minimum file size, no fixed bitrate target. Free online video quality compressor.

Compress MP4 and WebM videos in your browser — select resolution (240p–1080p), bitrate, and codec (VP9/H.264). Shows size reduction and downloads automatically. Free online video compressor.

Compress MP4 files using H.264 re-encoding at CRF 23–32 with AAC audio — the most widely compatible output. Choose CRF quality preset and resolution. Free online MP4 compressor.

Compress multiple video files at once with shared bitrate and resolution settings — shows per-file savings and total space reduction. Download all as ZIP. Free online batch video compressor.

Compress MOV files from iPhone or macOS screen recordings and convert to compressed MP4 or WebM — select resolution, bitrate, and output format. Free online MOV compressor, no signup required.

Compress video to Twitter/X specs — H.264, 720p max, 2:20 duration limit, 512 MB max. Four quality presets, auto duration enforcement, and spec validation. Free online Twitter video compressor.

Compress video to WhatsApp's optimal size (under 16 MB) and dimensions (720p) to avoid WhatsApp re-encoding. Free online WhatsApp video compressor, no signup required.

Compress and re-encode video to Instagram's optimal specs — prevents double-compression quality loss. 5 format presets: Feed Square, Portrait, Landscape, Reels, and Stories. Free online Instagram video compressor.

Compress video to under 25 MB for Gmail, Discord, and email attachment limits — automatic bitrate calculation. Free online compress video to 25MB tool, no signup required.

Compress WebM videos using VP9 codec — typically 30–50% smaller than H.264 at the same visual quality. Choose resolution (240p–1080p) and quality preset. Free online WebM compressor, no signup required.

Compress video with web-optimized presets (720p, 480p, 360p) for fast page loads and Core Web Vitals — outputs WebM. Free online compress video for web tool, no signup required.

Downscale video from 4K → 1080p → 720p → 480p → 360p and compress — shows estimated file size at every resolution step before processing. Free online video resolution reducer, no signup required.

Reduce video frame rate from 60fps → 30fps → 24fps → 15fps → 10fps — shows estimated file size at every fps step before processing. Reduces file size by up to 50% for non-motion content. Free online video frame rate reducer, no signup required.

Compress MP4 and MOV screen recordings using screen-content-optimised presets — especially effective for slide decks, tutorials, and coding sessions. Free online screen recording compressor, no signup required.

Strip the audio track from any video file — MP4, WebM, MOV, AVI, MKV. Useful when only the visual is needed and audio adds unnecessary size. Free online video audio track remover, no signup required.

Compress legacy AVI video files using H.264 or VP9 re-encoding — shows dramatic size reduction from uncompressed AVI. Free online AVI compressor, no signup required.

Compress MKV container videos in your browser — strip subtitle and audio tracks, select resolution (240p–1080p) and bitrate (250 kbps–8 Mbps), output as WebM or MP4. Free online MKV compressor, no signup required.

Compare H.264, H.265, VP9, and AV1 output sizes side by side for any video — H.264 and VP9 encoded natively, H.265 and AV1 estimated. Shows quality scores and downloadable outputs. Free online video codec comparison tool.