How It Works — 3 Simple Steps
Select Your File
Click to browse or drag and drop. No account or signup needed to get started.
Adjust Settings
Choose compression level or quality. Preview settings before processing.
Download Instantly
Processing happens in your browser. Download immediately — no waiting.
Why Use Nanivolt?
100% Private
All processing happens in your browser. Files never leave your device or touch our servers.
Lightning Fast
No upload time means instant processing. Results in seconds, even for large files.
No File Size Limits
Client-side processing means Pro users can compress files of any size with no restrictions.
Works Everywhere
Desktop, mobile, or tablet. Chrome, Safari, Firefox, or Edge. No app download needed.
Genuinely Free
5 files/day free, no credit card. Optional Pro for $8/month — unlimited everything.
Quality Control
Adjustable quality settings let you balance file size vs output quality for every use case.
Simple, Transparent Pricing
Free Account
- 10 files per day
- 25MB max file size
- All 4 tools
- 7-day file history
More Free Tools
Frequently Asked Questions
Is this image compressor free?
Yes — completely free for up to 5 files per day with no signup. Create a free account for 10 files/day, or upgrade to Pro for unlimited compression.
Which image formats are supported?
JPG, JPEG, PNG, WebP, and GIF. Use the quality slider (1–100) to find the perfect size-to-quality balance.
Do images get uploaded to a server?
No. All processing happens in your browser using the Canvas API. Your images never leave your device.
Can I compress multiple images at once?
Yes — free users can compress up to 10 images in one batch. Pro users get up to 50 images per batch.
How do I compress an image to a specific size?
Use the quality slider and watch the estimated file size update in real time. Lower quality = smaller file.