GASTER
2K plays
“He articulates clearly, often observing that "it's impossible to have mysteries nowadays." This makes his delivery suitable for straightforward informational content.”
Free Gaster text to speech: type any script, pick a voice, and the AI voice generator reads it back in seconds. Play a TTS sample below — no sign-up to preview.
Free text to speech preview · 3,317 AI voices · MP3 download · no sign-up to listen
Character, announcer, and narration voice models from the VideoAI text to speech library that creators reach for alongside Gaster. Play the sample on any card, then open that AI voice generator page and write your own script.
2K plays
“He articulates clearly, often observing that "it's impossible to have mysteries nowadays." This makes his delivery suitable for straightforward informational content.”
1K plays
“Beneath the moonlit sky, ancient whispers echo through the forgotten ruins. Legends speak of a colossal guardian, a timeless entity whose watchful eyes observe all, ensuring that no secret remains hidden forever.”
609 plays
“Listen carefully, my dear. I realize this moment may not be the most convenient for a heart-to-heart, but I had to wait. I wish I could do more than keep an eye on you. When you see your father, relay these words: prepare for the unforeseen.”
483 plays
“The results remain inconclusive. Entry seventeen: the shadows are cutting deeper than expected, yet the bridge is nearly complete. I have observed their progress through the darkness, and although the physical toll is significant, we must proceed. After all, the data is far too valuable to abandon now.”
326 plays
“Preview this voice in the generator.”
153 plays
“Darkness. Darker. Yet darker... The experiments continue. Time fragments across infinite possibilities. What do you think? ... How very... interesting. The results are... proving... difficult to interpret.”
136 plays
“The void whispers of things that can never be undone. My existence is a symphony of shadows, echoing through the fractures of time. I see your fear coalescing, a familiar companion in this eternal darkness. Do not look back, for the abyss has already claimed your destiny.”
119 plays
“Discover the secrets of the hidden worlds and unravel mysteries that lie beneath the surface. With every clue, a new path unfolds, leading to adventures beyond imagination. Let's explore together!”
82 plays
“Man, I cannot believe we actually stayed at that place for that long. The vibe was totally dead and that guy at the door was being a complete jerk for no reason. Honestly, we should have just grabbed some food and crashed at your place instead.”
61 plays
“The Queen of Monsters has urged an assignment to solve what proves to be nigh unsolvable. To circumvent the seal, which traps us below, without the use of a human soul. The King will claim seven souls and shatter it with brute force.”
61 plays
“I realize this moment may not be the most convenient, but I had to wait. Listen carefully, my dear. When you see your father, relay these words: prepare for unforeseen consequences. The future holds secrets yet to be revealed.”
Three steps from an empty text box to a downloaded Gaster TTS file — no editing skills needed.
Start from this page or browse the AI voice library, then keep the Gaster voice selected for your script.
Drop your script into the text to speech box, then fine-tune speed, volume, and expressiveness before you render.
Hit generate and the AI voice generator returns your Gaster TTS in seconds - play it, download the MP3, drop it on a timeline.
Every clip below starts the same way: type a line, pick the voice, let the text to speech engine do the rest.

Build cryptic Undertale scene audio where Gaster delivers broken lab notes, void warnings, or fractured narration. Export the TTS as an MP3 for fan-game cutscenes, animation edits, or mystery lore videos.

For YouTube horror edits, pair Wingdings-style captions with Gaster reading ominous fragments and silence-heavy pauses. The TTS can become an MP3 bed for glitch cuts, shadow reveals, and distorted sprite closeups.

Animators can give Gaster a controlled synthetic presence for Underverse-style confrontations, Glitchtale-inspired scenes, or void encounters. Render a TTS MP3, then time the delivery to text flashes and sprite movement.

Discord and YouTube roleplay clips work well when Gaster answers in short, unsettling statements about darkness, experiments, or time and space. Save the TTS as an MP3 for replies, stingers, and scene transitions.
Explore more voices in the same language surrounding this catalog entry.
Commercial use, pricing, voice cloning, speed, file format and length limits for the Gaster AI voice generator.
Yes — paid plans include commercial rights; these community-made AI recreations are not affiliated with the original rights holders.
Previews are free to play, and new accounts get free credits for their first text to speech run.
YouTube videos, TikToks, memes, podcasts, audiobooks, game mods — anything that needs a voiceover.
Yes, upload 30 seconds to two minutes of clear audio and voice cloning builds a profile in your own voice.
A few seconds for short lines; longer scripts take a little more.
Every download is an MP3 file.
Up to 10,000 characters per generation — split longer scripts into parts.
Free to preview. Your first Gaster text to speech takes about a minute from paste to MP3 download.