Frequently Asked Questions

Nanivolt is a free online tool for compressing PDFs and images. We help you reduce file sizes without losing quality, making it easier to share, upload, and store your files.

No! You can use Nanivolt without creating an account. Anonymous users can compress up to 5 files per day. Creating a free account increases your limit to 10 files per day and gives you access to file history.

We support:

• PDFs: Compress, merge, convert to JPG
• Images: JPG, PNG, WebP, GIF

Nanivolt offers three tiers:

• Anonymous (Free): 5 files/day, 25MB limit
• Free Account: 10 files/day, 25MB limit, 7-day history
• Pro ($8/month): Unlimited files, unlimited size, API access, forever history

Pro subscribers get:

• ✓ Unlimited files per day
• ✓ Unlimited file size
• ✓ No watermarks
• ✓ No advertisements
• ✓ Forever file history
• ✓ Batch processing (50 files at once)
• ✓ API access (1,000 calls/month)
• ✓ Priority support
• ✓ Custom branding

Yes! You can cancel anytime from your dashboard. You'll keep Pro features until the end of your billing period, then your account will revert to the Free tier.

Yes! We offer a 30-day money-back guarantee. If you're not satisfied within the first 30 days, contact us for a full refund—no questions asked.

Absolutely! Your files are 100% safe. We process files client-side (in your browser), which means:

• Your files never upload to our servers
• All processing happens on your device
• We cannot access your file content
• Files are completely private

For anonymous users: No, files are never stored.

For registered users: You can optionally save compressed files to your file history for easy re-download. Free users get 7-day history, Pro users get forever history. You can delete files anytime.

No. Since we process files client-side in your browser, we have zero access to your file content. This is unlike competitors who upload files to their servers.

Yes! Payments are processed through Paystack, a PCI-DSS compliant payment processor. We never store your payment card details on our servers.

Results vary depending on the file type and content. On average:

• PDFs: 50-90% size reduction
• Images: 40-80% size reduction

We offer multiple compression levels so you can choose between maximum compression or best quality.

We use smart compression algorithms that maintain quality while reducing size. You can choose between:

• High Quality: Minimal quality loss, moderate compression
• Medium (Recommended): Balanced quality and compression
• Maximum Compression: Smallest file size, slight quality loss

Yes!

• Free users: Up to 10 images at once
• Pro users: Up to 50 files at once (batch processing)

Free users: 25MB per file

Pro users: No limit! Because we process client-side, you can compress files of any size—even 50GB+ files that competitors reject.

Yes! Pro subscribers get API access with 1,000 calls per month. This lets developers integrate Nanivolt compression into their own applications. View our API documentation for details.

Nanivolt works on all modern browsers:

• Chrome (recommended)
• Firefox
• Safari
• Edge
• Opera

We recommend using the latest version for best performance.

You need an internet connection to load the page initially, but once loaded, compression happens entirely in your browser without needing internet (except for saving to file history).

Yes! Nanivolt is fully responsive and works great on mobile devices and tablets. Use any mobile browser to compress files on the go.

Because we process files client-side in your browser! There's no upload time, no queue, and no waiting for server processing. Everything happens instantly on your device.

Try these troubleshooting steps:

• Refresh the page and try again
• Clear your browser cache
• Try a different browser
• Check if the file is corrupted
• Ensure the file format is supported

Still having issues? Contact our support team.