Live voice
Stream TTS
Let viewers interact through voice messages in the Alert audio overlay (browser Web Speech).
OBS Browser Source cannot play Web Speech (CEF). Sound alerts still work there. For TTS, speak in Chrome and capture that audio in OBS.
Stream TTS · Live voice
Voice
EnabledStatus
Live — System default
Volume
Speed
Pitch
Speak live TTS in this browser
Source track
Browser
Playing
Overlay
Idle
Voice tester
Welcome to Lunar TTS!
Test voice
Played · Overlay
Test · Browser
How it speaks
Chat → voice → Alert audio
01
A viewer triggers TTS
Any Message, Prefix, or Command — plus Gift TTS, follows, shares, Super Fans / subs, and joins.
02
Gates and filters decide
Everyone or Only certain viewers. Spam, mentions, URLs, emojis, spoken languages, banned words, cooldown.
03
Chrome speaks it
Browser preview + sent to Alert audio overlay. Speak live in this browser, or open the Chrome TTS speaker window.
Voice
System default — click to change
Volume, Speed, and Pitch from this browser's system voices. Speak live TTS in this browser, or open the Chrome TTS speaker window. Special users can bypass prefix and command.
Voice · System default
Voice
System default(click to change)
System voices from this browser
Volume100%
Speed1.0×
Pitch1.0
Speak live TTS in this browser · On
Open Chrome TTS speaker window
Triggers
How should viewers trigger TTS?
Any Message reads all chat. Prefix starts with ".". Command uses !say. Gift TTS with a min coin floor, follows, shares, Super Fans / subs, and joins — skip ! and / commands when you want.
Triggers · How should viewers trigger TTS?
Any Message
All chat is read
Prefix
Start with "."
Command
Use !say
Read chatOn
Gift TTSOn
Read followsOn
Read sharesOff
Read Super Fans / subsOn
Read joinsOff
Who Can Use
Everyone — or only certain viewers
Limit TTS to followers, Super Fans, mods, fan club, gifter level, or top gifters. Content filters catch spam, mentions, URLs, and emojis. Spoken languages and banned words keep the queue clean.
Who Can Use · Filters
Who Can Use
Only certain viewers
FollowersSuper FansModeratorsFan ClubGifter LevelTop Gifter
Content filters
Filter spam (aaaaaaa)On
Remove @mentionsOn
Remove URLsOn
Remove emojisOn
Banned words · default safety list
Overlay reference
Spoken through the same Alert audio overlay as your sounds
Keep Alert audio in OBS for sound alerts. For TTS, capture Chrome. Pair with visual Alerts on the same LIVE feed.
Alerts
Gift, follow, share, and action popups.
Gift Cannon
Fire an animated projectile for every gift, with power scaled by coin value.
Leaderboard
Ranked viewers for the current LIVE — top gifters, likers, sharers, or loyalty points.
Playback
Alert audio
Sound alerts play here in OBS (Monitor and Output).
Start streaming with Lunar
Sign in with Discord, TikTok, or Twitch. Same profile across overlays, alerts, and Studio — no Discord server required.