Convert Video to MP3 on PC Free
From any URL or local file — no upload, no upload
Updated: June 2026 · 5 min read
AppGrabbit converts video to MP3 in two ways: (1) From a URL — paste any YouTube, TikTok, Instagram or other platform link, switch format to Audio only, and download as MP3 (free). (2) From a local file — open the Converter tab, browse to your MP4/MKV/AVI file, select MP3 output, and convert locally on your PC (Pro). Both run 100% on your computer — no upload.
Two ways to convert video to MP3 with AppGrabbit
From a video URL
Paste any YouTube, TikTok, Instagram, Facebook, SoundCloud or other platform link into the Downloader tab. Switch format to Audio only. Click Add to Queue. AppGrabbit extracts the audio at up to 320 kbps and saves it as MP3 to your PC.
From a local video file
Open the Converter tab, browse to any MP4, MKV, AVI, MOV or WebM file already on your PC. Select MP3 as the output format. Click Add to Queue. AppGrabbit converts the file locally using FFmpeg — no upload, no file size limit.
How to convert a video URL to MP3 — step by step
-
1Download AppGrabbit for Windows — free installer, 109 MB. No account required.
-
2Copy the video URL from YouTube, TikTok, Instagram, Facebook, SoundCloud, or any supported platform.
-
3Paste into AppGrabbit and click Fetch. The video title and details load.
-
4Switch the format to Audio only — AppGrabbit will extract and save the audio as MP3 at up to 320 kbps.
-
5Click Add to Queue. Your MP3 is saved to your Downloads folder.
AppGrabbit vs web video-to-MP3 converters
| AppGrabbit (app) | Web converters | |
|---|---|---|
| Audio quality | ✓ Up to 320 kbps | ✗ Max 128 kbps on most sites |
| Local file conversion | ✓ MP4/MKV/AVI → MP3 (Pro) | ✗ File size limits (often 100 MB) |
| Ads | ✓ Zero ads | ✗ Pop-ups and fake buttons |
| Privacy | ✓ 100% local, no upload | ✗ Your file or URL processed on their servers |
| Platforms | ✓ YouTube, TikTok, Instagram + 8 more | ✗ Usually YouTube only |
Why AppGrabbit for video to MP3 conversion on Windows
Up to 320 kbps quality
AppGrabbit extracts the original audio track and converts at up to 320 kbps. Web converters typically max out at 128 kbps and re-encode with quality loss.
Local files too
Already have a video file? Open AppGrabbit's Converter tab to convert any local MP4, MKV, AVI, or WebM to MP3 — no file size limit, no upload. (Pro)
100% on your PC
Whether you're converting from a URL or a local file, everything runs on your computer. No audio ever passes through a third-party server.
Batch conversion (Pro)
Convert multiple videos to MP3 at once. Add any number of links on Pro or local files to the queue and AppGrabbit converts them all automatically.
Frequently asked questions
Install AppGrabbit for Windows. Paste a YouTube, TikTok, Instagram or other supported platform URL into the Downloader tab, switch format to Audio only, and click Add to Queue. AppGrabbit extracts the audio and saves it as MP3 at up to 320 kbps. The free plan includes 5 credits a month (1 per video).
Yes, using AppGrabbit's Converter tab (Pro feature). Browse to any local video file — MP4, MKV, AVI, MOV, or WebM — select MP3 as the output format, and click Add to Queue. AppGrabbit converts it locally using FFmpeg. No upload, no file size limit. The Converter requires a Pro plan ($8.99/month or a 7-day pass for $3.99).
For URL downloads, AppGrabbit extracts the original audio track and converts at up to 320 kbps — the highest quality the source provides. For local file conversion, quality depends on the source video's audio track. AppGrabbit uses FFmpeg locally for the conversion.
Yes. The Downloader tab works with YouTube, TikTok, Instagram, Facebook, SoundCloud, Twitter/X, Pinterest, Twitch, and thousands more platforms. Select Audio only format to save the audio as MP3.
No. Because AppGrabbit's Converter processes everything locally on your PC, there is no file size restriction. Online converters typically cap at 100 MB–1 GB on free plans. AppGrabbit handles any size file you have on disk.
Convert Video to MP3 — Free & Pro
Windows 10/11 · URLs + local files · Up to 320 kbps · No upload · No upload