Sondra.app - Local Processing, No Uploads Required
Free, private audio & video editing - no uploads, no signup
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What is Sondra App?
Sondra is a free, browser-based suite of audio and video tools that lets you convert, compress, edit, and merge media files instantly without uploading anything to servers. All processing happens locally on your device, keeping your files completely private. It's designed for content creators, podcasters, and anyone needing quick audio/video editing without software installation or accounts.
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Key Features of Sondra App
- Video to Audio extraction
- Audio and Video conversion (MP3, WAV, AAC, FLAC, MP4, MOV, MKV)
- Video compression and audio compression
- Noise removal (background noise, hiss, hum, fan noise)
- Video trimming and audio cutting
- Vocal remover for karaoke tracks
- Video merging and audio merging
- Add text, watermarks, and captions to video
- Rotate, crop, flip, and blur video
- Video speed and audio speed adjustment
- Remove silence from audio
- Mute video tracks
- Reverse video playback
- GIF to MP4 and MP4 to GIF conversion
- Volume booster
- Loop video
Who Should Use Sondra App?
Remove background noise from podcast recordings
Compress large video files for YouTube upload
Extract audio from video clips
Clean up Zoom or meeting recordings
Create karaoke tracks by removing vocals
Edit and trim video content for social media
Add watermarks or text overlays to videos
Convert between different audio and video formats
Edit living room or home studio recordings
Sondra App: Pros & Cons
✓Pros
- Completely free to use
- No signup or account required
- All processing happens locally in the browser
- Files never leave your device
- Instant processing
- No software installation needed
- Supports multiple audio and video formats
- Powerful noise removal for professional results
- Wide range of editing tools in one platform
Frequently Asked Questions about Sondra App
Do I need to create an account to use Sondra?
No, Sondra is completely free to use with no signup required.
Will my files be uploaded to a server?
No, all processing happens in your browser and your files never leave your device.
What audio and video formats does Sondra support?
Sondra supports MP3, WAV, AAC, FLAC for audio and MP4, MOV, MKV for video, plus conversion to and from GIF formats.
How long does it take to process files with Sondra?
Processing is instant since everything runs in your browser locally on your device.
Tool Details
- Pricing
- Free
- Languages
- English
- Category
- Audio Converters
- Added
- Jul 2026
- Last Updated
- Jul 2026
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