Are there any noise reduction tools that can remove background noise and filler words without wrecking vocal quality?

Yes — but with an important caveat: background noise reduction is very doable without ruining vocals, while removing filler words is usually a separate editing task and can’t be done perfectly by “noise reduction” alone.

Best options for clean results

1. AI voice cleanup tools

These are often the best choice if you want to preserve vocal quality:

• Adobe Podcast Enhance
• iZotope RX
• Auphonic
• Krisp
• Descript (more for editing than restoration)

These can reduce:

• room noise
• hum
• hiss
• keyboard/fan noise
• some echo/reverb

2. For filler words

Tools like Descript are better here because they can:

• transcribe audio
• let you delete words like “um,” “uh,” “you know”
• smooth edits automatically

This is not really “noise reduction,” but it’s the most practical way to remove filler words cleanly.

Best combinations

If you want both noise cleanup and filler-word removal:

• Adobe Podcast Enhance or iZotope RX for the audio cleanup
• Descript for cutting filler words

Caution

Overdoing noise reduction can make vocals sound:

• watery
• metallic
• robotic
• phasey
• dull

That usually happens when the denoiser is set too aggressively.

Quick recommendation

• Best overall quality: iZotope RX
• Easiest online cleanup: Adobe Podcast Enhance
• Best for removing filler words: Descript
• Best budget-friendly/simple option: Auphonic

If you want, I can also suggest the best tool for your exact use case — podcast, YouTube voiceover, interview, or live recording.