Online
✦ Free • No signup • 320kbps

YouTube to MP3 Converter
& Video Downloader

Convert YouTube videos to MP3 and download from Instagram, X (Twitter) & Facebook — fast, free, and clean. Paste a link to start.

320kbps MP3
4Kvideo
4platforms
0signup
For private or login-only posts, pick the browser you're logged into.
🍪 Private or login-only content? Paste cookies.txt (most reliable on Windows)
  1. In the browser where you're logged into the site, install a “Get cookies.txt LOCALLY” extension.
  2. Open the target site (youtube.com / instagram.com / x.com / facebook.com) and click the extension to export cookies.txt.
  3. Open that file, copy everything, and paste it below.
⚡
Blazing fast

Powered by yt-dlp with 320kbps MP3 and up to 4K video.

🆓
100% free

No signup, no watermark, no software to install.

🔒
Private

Runs locally — your links and cookies never leave your machine.

1

Paste a link

Copy any YouTube, Instagram, X, or Facebook URL and drop it in the box.

2

Pick a format

Choose a video resolution up to 4K, or MP3 320kbps for audio.

3

Download

Watch the live progress bar and save straight to your device.

YouTube

YouTube to MP3 Converter — Convert & Download in 320kbps

MediaGrab is a free online YouTube to MP3 converter (a true YtMp3 alternative) that turns any YouTube video into a high-quality MP3 file. Whether you want a podcast for the commute, a song for offline listening, or a lecture as audio, you can convert a YouTube video to MP3 and download it in seconds — no signup, no app, no watermark.

How to convert YouTube to MP3

  1. Copy the YouTube link (from the address bar or the Share button).
  2. Paste it into the box above and press Fetch.
  3. Select MP3 320kbps from the format list.
  4. Hit Download — your MP3 saves straight to your device.

Why use this YtMp3 converter?

Tip: Want the video instead of audio? Pick a resolution like 1080p or 4K instead of MP3 — MediaGrab is a full YtMp3 - MP4 & MP3 downloader.
Instagram

Instagram Video Download — Save Reels, Posts & Audio

Use the Instagram tab for fast Instagram video download and Instagram video audio download. Save reels, feed videos, and Stories as MP4, or extract just the sound as an MP3 to reuse trending audio.

How to download an Instagram video

  1. Open the post/reel in Instagram and tap Share → Copy link.
  2. Switch to the Instagram tab here and paste the link.
  3. Press Fetch, then download the video or choose MP3 for audio only.

Private accounts & login-only content

Instagram often requires you to be logged in — even for some public reels. Choose the browser you're signed into under “Use cookies from” and MediaGrab will authenticate the download locally. Nothing is uploaded and no password is ever entered.

X (Twitter)

X Downloader — Twitter Video Downloader

The X Downloader (formerly a Twitter video downloader) saves videos and GIFs from X posts in the best available quality. Paste a post link, fetch, and download the MP4 — or convert it to MP3 if you only need the audio.

How to download an X (Twitter) video

  1. On X, open the post and tap Share → Copy link.
  2. Open the X tab above and paste the link.
  3. Press Fetch and choose Best Quality (MP4) or MP3.

Most public posts work without login. For age-restricted content, pick your logged-in browser under “Use cookies from”.

Facebook

Facebook Video Downloader — Save Videos, Reels & Watch Clips

MediaGrab is a Facebook video downloader for public videos, reels, and Watch clips. Paste the link, fetch, and save the MP4 — or extract MP3 audio.

How to download a Facebook video

  1. On the video, click the ⋯ menu or Share → Copy link.
  2. Open the Facebook tab and paste the link.
  3. Press Fetch, then download as video or MP3.

For login-only videos, choose the browser you're signed into under “Use cookies from”.

Frequently Asked Questions

Is this YouTube to MP3 converter free?

Yes — MediaGrab is a completely free online YouTube to MP3 converter and video downloader. No signup, subscription, or software install is required.

Can I convert YouTube to MP3 at 320kbps?

Yes. Select MP3 320kbps to extract the highest-quality audio the source provides, encoded up to 320kbps for crisp sound.

How do I download Instagram video audio only?

Open the Instagram tab, paste the reel/post link, click Fetch, then choose the MP3 option to save just the audio track.

Does the X (Twitter) video downloader need login?

Most public X posts download without login. Age-restricted posts may need cookies from a browser you're logged into.

Can I download private or login-only posts?

Yes. Use the “Use cookies from” dropdown to select the browser you're logged into. Authentication happens locally on your machine — no passwords are entered or stored.

Is there a download limit?

No artificial limits. Speed depends on your connection and the source platform.

Is it legal to download videos?

Download only content you own or have permission to save, or that is offered under a license that allows it (e.g. Creative Commons). Respect each platform's Terms of Service and creators' rights.