Pick a file
Choose a video or audio file from your phone or computer.
Drop in a video or audio file. We’ll measure it, bring it to the platform standard, and keep every byte on your device.
MP4, MOV, WebM, MP3, WAV, M4A, FLAC or OGG
Ready to analyze
Processing stays in this browser tab.
Paste the spoken words in order. TubeTune splits them into readable phrases and times them across the full video.
Paste or type a transcript to begin.
Pull the audio track out of your video without uploading it anywhere.
Choose MP3 or WAV, then extract the uploaded video’s audio track.
Three steps from a quiet upload to a file that’s ready for YouTube.
Choose a video or audio file from your phone or computer.
TubeTune measures the full track, then normalizes it to around −14 LUFS with a −1 dBTP ceiling.
Save the corrected file, review it, and upload it to YouTube.
Your media never leaves your device. Measurement and processing happen in this browser tab; TubeTune does not upload your files.
Your export may have loud peaks but a low average loudness. YouTube can turn loud videos down, but it does not reliably turn quiet videos up, so a quiet mix can stay quiet after upload.
No. TubeTune processes the file locally in your browser. It is not sent to TubeTune or stored on a server.
LUFS measures perceived average loudness over time. Around −14 LUFS is a common target for YouTube playback—not a rule, but a useful reference point.
Yes. TubeTune’s loudness fixer, caption tool, and audio extractor are free to use.
Analysis and normalization run on your device. Nothing is uploaded.
Loudness fixes copy the picture unchanged. Baking captions rebuilds the picture with the text embedded.
Keep this tab open while the browser works. Under 500 MB is best on phones.
Found a bug or have a suggestion? Send us a note and tell us what happened or what would make TubeTune better.
tubetune.help@gmail.comEffective September 26, 2026
TubeTune runs entirely in your browser. Files you choose are processed locally on your device and are never uploaded or sent to a TubeTune server.
TubeTune does not require an account. The app itself does not collect, store, or sell your personal information or a history of the files you process.
TubeTune may add third-party advertising through Google AdSense in the future. If ads are enabled, Google and its advertising partners may use cookies or similar technologies to show, measure, and personalize ads. Their collection and use of data would be governed by their own privacy policies and consent choices presented to you.
TubeTune does not currently use Google AdSense.
For privacy questions, email tubetune.help@gmail.com.
Effective September 26, 2026
TubeTune is provided as-is for personal use. You are responsible for deciding whether the output is suitable for your needs.
You are responsible for having the rights and permissions needed to use every audio or video file you process with TubeTune.
TubeTune aims for the targets shown in the app, but specific loudness results are not guaranteed. Results can vary with the source file, format, browser, device, and playback platform. Check the finished file before publishing it.
Email tubetune.help@gmail.com if you have a question or run into a problem.
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