FluoLock™
Seal your document with AES-256-GCM encryption.
Your privacy matters. This operation runs entirely in your browser; your files are never sent to our servers.
How to fluolock™
- 1Open the FluoLock™ tool
Open the FluoPDF FluoLock™ page and sign in to get started.
- 2Add your file
Drag and drop your file onto the upload area, or click to select it from your device.
- 3Adjust the settings
Choose the options that fit your needs — FluoPDF ships with sensible defaults so you can usually skip this.
- 4Process and download
Click the process button and download your result instantly. No watermarks, no waiting in a queue.
Frequently asked questions
Is FluoLock™ free to try?▼
FluoLock™ is a Pro tool. The 7-day free trial includes all the basic PDF tools; FluoLock™ and the other Pro tools unlock when your plan converts to Pro after the trial. A card is required to start; Pro is $5/month and you can cancel anytime.
Are my files uploaded to a server?▼
No. FluoLock™ runs entirely in your browser. Your files are never uploaded to our servers — they never leave your device.
Do I need to install any software?▼
No installation required. FluoLock™ works in any modern web browser on desktop or mobile — nothing to download.
What file size can I process?▼
During your trial and on Pro you can process files up to 100 MB each.