Frequently Asked Questions

BigConverter is a free online tool that lets you convert YouTube videos to MP3 or MP4 format. Simply paste a YouTube URL or search by keywords and download your files instantly.

Yes, BigConverter is 100% free. You can convert and download unlimited MP3 and MP4 files without any registration or payment.

No account is needed for basic conversions. You can download MP3 and MP4 files instantly without signing up. An optional premium account is available for extended features like longer duration downloads.

Yes. BigConverter has a free browser extension that adds a one-click MP3 / MP4 button directly to YouTube. Open any video, short or playlist and click the green button next to Like and Share, or use the BigConverter icon in your browser toolbar. The extension is available on the official add-on stores of Mozilla Firefox, Microsoft Edge, Opera, and Firefox for Android. It collects no personal data and works alongside the website.

BigConverter supports MP3 bitrates of 64 kbps, 128 kbps, 192 kbps, 256 kbps, and the highest quality at 320 kbps. You can choose the quality that best suits your needs.

For MP4 downloads, we support 360p, 480p, 720p, and 1080p quality depending on the source video. The highest available quality is always selected by default.

Yes! Simply paste a YouTube playlist URL and BigConverter will load all the videos. You can then download individual tracks as MP3 or MP4, or use our ZIP download feature to get the entire playlist at once.

Yes, BigConverter includes a built-in audio trimmer. Set custom start and end points to create ringtones, audio clips, or remove unwanted parts — no extra software needed.

No, you can download as many MP3 and MP4 files as you like without any daily restrictions or usage caps.

Yes, BigConverter is fully optimized for mobile devices. It works on Android, iPhone, iPad, and all modern browsers including Chrome, Safari, Firefox, and Opera.

Absolutely. BigConverter runs entirely over encrypted HTTPS connections. Our platform is free from malware, intrusive ads, and hidden scripts. With over 5 years of reliable service, security and trust are at our core.

BigConverter is a general-purpose tool. Users are responsible for ensuring their use complies with applicable laws and copyright regulations. We respect intellectual property rights and comply with DMCA requests.

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