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100% Client-Side • No Uploads
Convert Image Free
Convert images between WebP, PNG, and JPEG formats. Adjust quality during conversion. Perfect for optimizing images for web use. All 100% client-side, no uploads.
Your Files Stay Private
Never uploaded to any server. Processing happens entirely in your browser.
No Size Limits
Process files of any size — limited only by your browser memory.
No Account Required
Start immediately. No signup, no email, no tracking.
Works Offline
After first load, the tool works without internet connection.
Why Choose NativeSmith?
Built different from traditional online tools. No compromises on privacy or usability.
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Adjustable quality for lossy formats
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Transparency handling for PNG/WebP
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Batch conversion support
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No file size limits
How It Works
Three simple steps to convert your files.
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Add Files
Drag and drop files or click to browse. Add as many as you need.
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Configure Options
Adjust settings like quality, format, or page selection as needed.
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Download Result
Click process and instantly download your convertd files. Done — no waiting, no email required.
More Image Tools
All free, all client-side, all private.
Compress Image
Reduce image file size with quality slider
Quality slider (10-100%) with live previewSupport for JPEG, PNG, WebPSide-by-side before/after comparison
Resize Image
Resize images with dimension presets and aspect ratio lock
Custom width/height with aspect ratio lockSocial media presets (Instagram, Twitter, LinkedIn, YouTube, etc.)Fit modes: cover, contain, fill, inside, outside
Frequently Asked Questions
Are my images uploaded to convert?
No. All conversion happens in your browser. Your images never leave your device.
Which format should I use?
WebP for web (smallest), PNG for transparency, JPEG for photos without transparency.
Does converting reduce quality?
Converting to JPEG or WebP at lower quality will reduce file size with some quality loss. PNG is lossless. You control the quality setting.
Can I convert HEIC/RAW files?
Currently supports JPEG, PNG, WebP input. HEIC/RAW support coming soon.
Is batch conversion available?
Free tier: 2 files. Pro Pass: unlimited batch conversion.
Need More Power?
Upgrade to Pro Pass for advanced features.
- Batch convert unlimited files
- Auto-select optimal format
- Preserve metadata option
- API access
Ready to convert Your Files?
Start using NativeSmith — your files never leave your browser.
Start Now