Sound Effect Generator – Try Free Daily

The RegiAI sound effect generator creates custom audio from a text description. Type what you want to hear, such as "footsteps on gravel" or "heavy rain on a tin roof with distant thunder", choose a length of 5, 10, 20 or 30 seconds, and a WAV file is usually ready in a few seconds. It is quicker than digging through sound libraries for something that almost fits.

Each sound costs $0.05, and your first sound each day can use the daily free generation. For music rather than effects, use the AI Music Generator. To add sound to a silent clip automatically, try AI Video to Audio.

How to use Sound Effect Generator

1
Describe the sound

Write up to 500 characters: the source, the surface or setting, and the mood, such as "a wooden door creaking open slowly in an empty hall".
2
Pick a length

Choose 5, 10, 20 or 30 seconds. Short lengths suit one-off hits; longer ones suit ambience and loops.
3
Generate and download

Press Generate sound, listen, and download the WAV for your video, game or podcast.

What you can make

Video and film

Add whooshes, impacts, doors and footsteps to edits, trailers and short films.

Games and apps

Create laser shots, pickups, UI clicks and alerts for prototypes and indie games.

Podcasts and radio

Build scene-setting ambience and transitions for audio stories.

Ambience beds

Generate rain, wind, forest, café or city background loops up to 30 seconds.

Social content

Add punchy sound to reels, memes and TikToks without licensing a library.

Teaching and presentations

Illustrate lessons with animal calls, weather and machine sounds.

Foley for silent clips

Add footsteps, cloth rustles and object sounds to footage recorded without audio.

Layers for music producers

Create risers, impacts and textures to layer into your own tracks.

How to describe a sound so the AI gets it right

Sound effect prompts work best when they read like a sound designer's notes. Include:

The source: what makes the sound ("a heavy steel door", "a small dog", "a crowd of thousands").
The action: what it does ("slams shut", "barks twice", "cheers after a goal").
The space: where it happens ("in a tiled bathroom", "outdoors in open field", "inside a car").
The texture or distance: "muffled", "close-up", "distant", "metallic", "crunchy".

Compare "explosion" with "distant explosion in a canyon, deep rumble with a long echo". The second gives the model far more to work with. Keep one main event per prompt; for a sequence, generate each part separately and layer them in your editor.

A few prompts that tend to work well: "a single heavy wooden door slam in a large stone hall, long echo"; "soft rain on leaves in a forest, birds far away"; "retro arcade coin pickup sound, bright and short"; "old car engine starting on a cold morning, then idling"; "crowd of fans cheering and clapping in a large stadium".

Lengths, formats and practical tips

Choose the length before you generate. 5 seconds fits single hits such as a gunshot, notification or door knock. 10 seconds fits short actions and transitions. 20 or 30 seconds fits ambience such as rain, wind or a busy street that sits under dialogue.

Every sound downloads as a WAV file, which keeps full quality for editing. Trim the start and end in your editor, and add a short fade for clean loops. The price is the same $0.05 for every length, so pick the longer option when you are unsure and cut it down.

The generator is built for effects and ambience. It does not produce clear speech or full songs; for those, use the AI Voice Generator or the AI Music Generator.

Levels vary between generations, so check the volume of each sound against the rest of your mix and adjust it before you export.

Price, rights and related tools

Every sound costs a flat $0.05. Your first generation each day can be free, and a failed sound is refunded automatically. There is no subscription; top up from $10 when you need more. Sounds are saved in My creations for 30 days.

You can use results under our Terms of Service and the model provider's license. RegiAI does not add a watermark or audio tag.

To build a finished clip, generate footage with Text to Video or Image to Video, add effects here, then a voiceover from the AI Voice Generator.

Unlike stock sound libraries, every sound here is generated fresh from your description, so you are not limited to what someone else recorded. That is most useful for specific or unusual sounds, such as "a small robot beeping happily while rolling over tiles", that are hard to find in a library.

If a result is close but not quite right, generate it again. Each run gives a different take on the same prompt, and at $0.05 a sound it is cheap to try a few versions and keep the best one.

Sound Effect Generator FAQ

Still stuck? Contact us.

Is the sound effect generator free?

Signed-in users get one free generation a day on tools priced $0.10 or less. Sound effects cost $0.05, so your first sound each day is free. After that, each sound is $0.05.

How much does each sound cost?

$0.05 per sound, whatever the length, from 5 to 30 seconds. There is no subscription; see pricing for credit packs from $10.

How long can a sound effect be?

5, 10, 20 or 30 seconds. Pick 5 or 10 seconds for single sounds and transitions, and 20 or 30 seconds for ambience and backgrounds. Every length costs the same $0.05.

What format is the download?

A WAV file, which keeps full quality and imports into any video editor, DAW or game engine. Sounds are also saved in My creations for 30 days.

Can I use the sound effects commercially?

You can use results under our Terms of Service and the model provider's license. Read both before using sounds in a paid product, game release or ad campaign.

Can it make music or speech?

It is designed for effects and ambience. For songs, use the AI Music Generator; for spoken lines, the AI Voice Generator.

Why does my sound not match what I asked for?

Short prompts leave a lot to chance. Add the source, the action, the space and the distance, and keep one main event per prompt. If the sound is right but the setting is wrong, change only the space words and generate again.

Can I make seamless loops?

Generate a 20 or 30 second ambience, then trim it and add short crossfades in your editor for a clean loop. Steady sounds such as rain, wind and room tone loop most easily.

Can AI add sound effects to my video automatically?

Yes, with AI Video to Audio, which generates sound that matches a silent clip.

Is there a watermark?

No. RegiAI does not add a watermark or audio tag to your sounds, so they drop straight into your project.

Do I need an account?

Yes. Sign in with Google to generate sounds. Your first sound each day is free, and after that you pay per use.

Can I get several variations of the same sound?

Yes. Generate the same prompt again for a new variation. Each generation is $0.05, and small wording changes such as "heavier" or "farther away" help steer it.

What sounds work best?

Natural and physical sounds such as weather, water, footsteps, doors, animals, crowds, vehicles and impacts, plus sci-fi and interface sounds. Speech and melodies are not what it is built for.

What if generation fails?

The $0.05 is refunded automatically, or your free generation is returned for the day.

Is there an API?

Yes. The sound effect generator is available through the RegiAI API at the same $0.05 per sound.