AI Sound Effects Pro - Generate SFX from Text Online Free
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Why Sound Effects Pro?
Turn a short description into production-ready sound for video, games, and interfaces
Text-Driven Generation
Describe the sound you hear in your head — impacts, ambience, transitions, or UI tones — and get a matching effect in seconds.
Precise Duration Control
Pick any length from 0.5 to 22 seconds with presets for common needs, and see the exact credit cost before you generate.
Loopable Output
Enable the loop option to create seamless ambience and background beds that repeat without audible seams.
Prompt Adherence Tuning
Dial how strictly the generation follows your description, from loose interpretation to literal matching.
How to Create Sound Effects
Three simple steps to generate production-ready sound effects
Describe the Sound
Write a concrete description — the source, the environment, and the character of the sound you need.
Set Duration & Options
Choose the clip length, enable looping if needed, and review the credit estimate.
Generate & Download
Run generation, preview the audio in the browser, download it, or find it later in your history.
Use Cases
Built for video editors, game developers, interface designers, and content creators
Technical Specifications
Sound Effects Pro generates original audio from a text description with fine control over length, looping, and how closely the result follows your prompt.
- Prompt length up to 450 characters
- Duration from 0.5 to 22 seconds in 0.5s steps
- Flat rate of 0.44 credits per requested second
- Optional seamless looping for ambience and beds
- Prompt adherence slider from 0 to 1
- Generated audio can be used in commercial projects
Frequently Asked Questions
Everything you need to know about Sound Effects Pro
It is a text-to-sound generator. Describe the effect you want — for example "rolling thunder with light rain" — and it generates a matching audio clip you can preview and download.
Between 0.5 and 22 seconds, adjustable in half-second steps. Preset buttons cover common lengths like 1, 3, 5, 10, and 22 seconds.
Pricing is duration-based: 0.44 credits per requested second, so a 5-second effect costs 2.2 credits and a 22-second effect costs 9.68 credits. The exact estimate is shown before you generate.
When enabled, the generated clip is designed to repeat seamlessly — ideal for rain, room tone, machinery hums, and other continuous ambience.
It controls how strictly the result follows your description. Lower values allow more creative interpretation; higher values stay closer to the literal prompt.
Yes. Sound effects you generate can be used in personal and commercial projects, including videos, games, apps, and ads.
Ready to design your sound?
Describe the effect you need and hear it in seconds.
Generate a sound effect