Secret Audio Sharing Guide: How to Send Audio Files Safely with Password Protection

Confidential meeting recordings, unreleased music tracks, personal voice messages... When you send audio through a messenger, it stays permanently in the chat and anyone can download it. Email attachments risk being opened by unintended third parties too.

LOCK.PUB's Secret Audio feature protects your audio files with a password. Only people who know the password can play the audio, and setting an expiration time makes it automatically inaccessible afterward.

How Does It Work?

1. Upload audio -- Supports MP3, WAV, M4A, and OGG
2. Set a password -- Choose a password to protect the audio
3. Generate a link -- A unique link is created
4. Share -- Send the link and password through separate channels
5. Play -- The recipient enters the password to listen

flowchart TD
    A[Upload audio] --> B[Set password]
    B --> C[Generate link]
    C --> D[Send link + password separately]
    D --> E[Recipient enters password]
    E --> F[Audio plays]

When to Use It

Personal Voice Messages

Birthday greetings, thank-you messages, heartfelt confessions -- share special voice messages that only the intended person can hear. Password protection ensures complete privacy.

Recommended settings:
- Password: A strong password
- Expiration: 7 days
- Access limit: Unlimited
-> So the recipient can replay it multiple times

Music Demos / Unreleased Tracks

Songwriters, producers, and musicians can securely share unreleased tracks or demos with labels, collaborators, or clients. Get feedback without worrying about leaks.

Podcast Previews

Share pre-release podcast episodes exclusively with sponsors, guests, or editors. Keep them password-protected until the official launch.

Meeting Recordings

Securely share confidential meeting recordings, interview audio, or consultation records with attendees only. Setting a short expiration makes it even safer.

Audio Notes / Lectures

Instructors can send supplementary audio explanations to students, or share personal audio notes with specific colleagues only.

File Specifications

	Free	Pro
Max file size	5MB	50MB
Max duration	10 min	60 min

Supported formats: MP3, WAV, M4A, OGG

Tips for Safe Use

Send Password Through a Separate Channel

Always send the link and password through different channels:

• Link via messenger / Password via text message
• Link via email / Password via phone call
• Never send link + password in the same message

Set Short Expiration Times (Pro)

The more sensitive the audio, the shorter the expiration should be.

Audio Type	Recommended Expiration
Meeting recordings	24 hours
Unreleased tracks	3 days
Personal voice messages	7 days
Lecture recordings	30 days

Single-View Access Limit (Pro)

For confidential recordings, limit access to just one play. After the recipient listens once, no one can access it again.

Comparison with Messenger

	Send via Messenger	LOCK.PUB Secret Audio
Downloadable by	Anyone	Password holders only
Permanently stored in chat	Yes	No (with expiration)
Password protection	No	Yes
Auto-expiration	No	Yes (Pro)
Access limit	No	Yes (Pro)
Third-party access prevention	No	Yes

Get Started

Secret audio sharing is free to use (up to 5MB, under 10 minutes). Try it right now.

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