Processed on this device
ToolsFile encryption

Encrypt files

Encrypt one file or combine several files in one protected .lflvault container – entirely in your browser.

Processed on this device
LFLVAULT · AES-256-GCM · Argon2id

AES-256-GCM · Argon2id · authenticated 4 MiB chunks

Use at least 12 characters. A lost password cannot be recovered.

Additional randomness

Move your mouse or finger in this area. The browser random source always remains active; your movements are mixed in only as additional input.

Tool guide

How to use this tool

Encrypt one file or combine several files in one protected .lflvault container – entirely in your browser.

Quick guide

  1. 1

    Add the files or sources required for the task.

    LFLVAULT · AES-256-GCM · Argon2id
  2. 2

    Adjust the available settings for the result you need.

    Argon2id · AES-256-GCM · 4 MiB
  3. 3

    Review the result and download the finished file.

    1 × LFLVAULT · AES-GCM

Good use cases

  • Encrypt one file or combine several files in one protected .lflvault container – entirely in your browser.
  • Encrypt · Decrypt

Tips and limitations

Which inputs are supported?LFLVAULT · AES-256-GCM · Argon2id

  • Use at least 12 characters. A lost password cannot be recovered.
  • Large files require a browser with direct file output so the data does not have to remain entirely in memory.

Practical example: Encrypt files

A typical workflow with concrete inputs, settings, and a traceable result.

  1. Which inputs are supported?3 × · 8.4 GB
  2. Adjust the available settings for the result you need.Argon2id · AES-256-GCM · 4 MiB
  3. What does the tool create?1 × LFLVAULT · AES-GCM

Frequently asked questions

Which inputs are supported?

LFLVAULT · AES-256-GCM · Argon2id Use at least 12 characters. A lost password cannot be recovered.

What does the tool create?

1 × LFLVAULT · AES-GCM Encrypt · Decrypt

Which settings should I check before exporting?

Argon2id · AES-256-GCM · 4 MiB Use at least 12 characters. A lost password cannot be recovered.

Which limitations should I keep in mind?

Use at least 12 characters. A lost password cannot be recovered. Large files require a browser with direct file output so the data does not have to remain entirely in memory.

Are my files uploaded for processing?

No. Selected files are processed in this browser tab and are not uploaded to a LocalFileLab processing server.