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Audio Tools

Text-to-speech, speech-to-text, voice changer and voice isolator.

🌐 Uses API
Also try:Historical Age Calculator·Pet Age Calculator·Relationship Timeline
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Frequently asked questions

What audio editing features are available?
Our audio tools include: format conversion (MP3, WAV, OGG, FLAC), trimming/cutting clips, merging audio files, volume adjustment, fade in/out effects, and basic noise reduction. All processing happens in your browser.
What audio formats are supported?
We support MP3, WAV, OGG, FLAC, M4A, and WebM audio formats. You can convert between formats, choosing quality settings appropriate for your use case (higher bitrate = better quality but larger file).
How do I reduce audio file size?
Convert to compressed formats (MP3, OGG) with appropriate bitrate. 128kbps is good for speech/podcasts, 192-256kbps for music listening, 320kbps for high quality. Mono instead of stereo also halves file size.
Can I trim audio to specific timestamps?
Yes, use the trim tool to specify start and end times. Preview the selection before cutting. Great for extracting clips from longer recordings, creating ringtones, or removing unwanted intro/outro sections.
Are my audio files kept private?
Yes. Audio processing uses Web Audio API and runs entirely in your browser. Your recordings, music, and voice memos are never uploaded to any server. This is especially important for confidential voice recordings or personal content.

About This Tool

TTS, STT, voice changer and voice isolator.

Key Benefits

How This Tool Works

  1. 1Enter your information in the input fields above
  2. 2Results calculate automatically in real-time
  3. 3Copy, share, or download your results as needed
  4. 4All processing happens locally in your browser for privacy

When to Use This Tool

Pro Tip:

Why Use INSINEX Tools?

Privacy First

Your data never leaves your device. All calculations happen locally in your browser.

Instant Results

No waiting, no loading—results appear immediately as you type.

Works Everywhere

Access from any device with a browser. Many tools even work offline.

Related topics: text to speech, speech to text, voice changer, voice isolate

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  • Relationship Timeline

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  • School Days Calculator

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Privacy

Most processing happens locally in your browser for speed & privacy. Network calls occur only for live rates or updates.

Ask AI

Premium

Premium feature

Historical analysis & trends

Track your past calculations and visualize patterns.

Calculation presets

Save, load, and manage your favorite calculation setups.

No presets saved yet.

Scenario planning

Compare multiple inputs side-by-side.

Batch processing

Upload a CSV to compute results in bulk.

Custom formulas

Create and reuse your own rules.

External data

Connect Google Sheets or an API as inputs.

By paying you agree to our Terms & Conditions • Privacy Policy • Shipping Policy • Cancellation & Refunds

Free Tier Usage0/100 calculations today
Premium feature

Historical analysis & trends

Track your past calculations and visualize patterns.

Calculation presets

Save, load, and manage your favorite calculation setups.

No presets saved yet.

Scenario planning

Compare multiple inputs side-by-side.

Batch processing

Upload a CSV to compute results in bulk.

Custom formulas

Create and reuse your own rules.

External data

Connect Google Sheets or an API as inputs.

By paying you agree to our Terms & Conditions • Privacy Policy • Shipping Policy • Cancellation & Refunds