Render audio waveforms as shareable PNG images — audiograms, episode art, visual proof. Turn a soundbite into social content — local rendering, unlimited saves.
Runs on FFmpeg
Content reviewed October 2026 · About Toolzum
Shrink MP3 files by lowering bitrate with quality presets — fit podcasts into feed limits. Cut a 50 MB episode to 15 MB cleanly — local FFmpeg work, unlimited saves.
Convert OGG Vorbis to AAC for Apple and streaming compatibility. Move open audio into mainstream players — local FFmpeg work, unlimited saves.
Convert M4A to AIFF for Logic Pro and GarageBand native ingest. Move Apple audio into pro workflows — local FFmpeg work, unlimited saves.
Convert PDF tables into editable Excel spreadsheets with rows and columns preserved. Turn 30 bank statements into one workbook — local parsing, unlimited saves.
Turn one image (PNG, JPG, WebP, or GIF) into a hand-built 32-bit Windows ICO — 6 sizes (16, 32, 48, 64, 128, 256) packed by default, or a single size (default 32). Center square-crop on, or fit with transparent/color background; alpha under 128 becomes transparent. Saves as <name>.ico.
Bars for music visualizers, line for podcasts, circular for social covers — canvas runs 800–4000 px wide and 100–800 px tall with brand colors, optional gradient, or transparent background. Export is a static PNG for posts and thumbnails.
Yes — four styles (Bars, Line, Filled, Circular) with waveform, background, and gradient colors, plus mirror and rounded-bar options. Match show art for recognition.
Static PNGs here for posts and thumbnails; animated audiograms need video tools. Export the still, animate elsewhere.
No — rendering runs locally in your browser. Only image saves touch the network — downloads are unlimited.
Audio Cutter
Trim and cut audio files online — MP3, WAV, M4A, FLAC, and OGG. Set start and end times with sliders, then download the trimmed MP3 clip.
Voice Recorder
Record voice memos straight from your microphone with live levels — interviews, notes, ideas. Capture clean audio without installing apps — local recording, unlimited saves.