# Lots of Sounds

> Lots of Sounds is a free library of CC0 sound effects with a soundboard, browser audio tools, a REST API, and an MCP server for AI agents. Every sound is CC0: free for personal and commercial use, with no attribution required.

## Key facts

- What it is: Lots of Sounds is a free library of CC0 sound effects with a soundboard, browser audio tools, a REST API, and an MCP server for AI agents.
- Catalog size: 14,381 sounds (live count).
- License: CC0 1.0 Universal (Public Domain Dedication). Every sound is CC0: free for personal and commercial use, with no attribution required. A credit link is appreciated but optional.
- Format: MP3 files.
- Free use: Browsing, previewing, and the soundboard are free with no account.
- Downloads: Sign in to a Lots of Sounds account to download MP3 files.
- Search: Keyword search: every word must match a sound name, description or tag. Tag, category and duration filters narrow the results. It is not semantic or natural-language search, so send short keywords ("whoosh", "rain", "click").
- Developer access: API and MCP access to the full catalog needs a Pro or Enterprise API key.
- Plans: Pro $15/month (2,500 requests/day), Enterprise $49/month (50,000 requests/day).

## Browse sounds

- [Sound effects library](https://www.lotsofsounds.com/sounds): every sound, with category and tag hubs.
- [Music loops](https://www.lotsofsounds.com/sounds/category/music-loops): Free CC0 music loops, beats, lofi textures, synth parts, drum loops, and piano melodies for videos, games, and apps.
- [Ambient & nature](https://www.lotsofsounds.com/sounds/category/ambient-nature): Free CC0 ambient soundscapes and nature recordings: rain, forest, birds, wind, water, and ocean audio for videos, games, and sleep apps.
- [Game audio](https://www.lotsofsounds.com/sounds/category/game-audio): Free CC0 game sound effects: hits, crashes, horror textures, cinematic cues, and gameplay FX for indie games and prototypes.
- [UI sounds](https://www.lotsofsounds.com/sounds/category/ui-notification): Free CC0 UI sounds: clicks, button presses, beeps, alerts, and notification tones for apps, websites, and game menus.
- [Retro & arcade](https://www.lotsofsounds.com/sounds/category/retro-arcade): Free CC0 retro game sounds: 8-bit effects, arcade cues, chiptune, and 80s synth audio for pixel-art games and nostalgic edits.
- [Foley & everyday](https://www.lotsofsounds.com/sounds/category/foley-everyday): Free CC0 foley and everyday sound effects: doors, footsteps, bells, cars, and metal hits for videos, games, and podcasts.
- [Cinematic impacts](https://www.lotsofsounds.com/sounds/category/cinematic-impacts): Free CC0 cinematic sound effects: impacts, booms, hits, risers, and explosions for trailers, intros, and game moments.
- [Whooshes & transitions](https://www.lotsofsounds.com/sounds/category/transitions-whooshes): Free CC0 whoosh, swoosh, and transition sound effects for video edits, slides, motion graphics, and app animations.
- [Horror & suspense](https://www.lotsofsounds.com/sounds/category/horror-suspense): Free CC0 horror sound effects: creepy ambience, suspense drones, screams, ghosts, and monsters for games, films, and Halloween.
- [Animals](https://www.lotsofsounds.com/sounds/category/animals): Free CC0 animal sound effects: birds, dogs, cats, insects, crickets, horses, and farm animals for videos, games, and learning apps.

## Soundboards

- [Online soundboard](https://www.lotsofsounds.com/soundboard): Free online soundboard with instant sound buttons. Play funny, gaming, stream and video sound effects in your browser. CC0, no attribution required.
- [Funny & meme](https://www.lotsofsounds.com/soundboard/funny): Free funny soundboard with cartoon boings, laughs, fails, farts and sad trombones. Instant meme-style sound buttons, CC0 and free to use.
- [Discord](https://www.lotsofsounds.com/soundboard/discord): Free Discord soundboard sounds. Every clip is 5.2 seconds or shorter, so it fits Discord's soundboard upload limit. CC0, no attribution required.
- [Gaming](https://www.lotsofsounds.com/soundboard/gaming): Free gaming soundboard with 8-bit coins, jumps, punches, lasers, explosions and victory jingles. Instant game sound buttons, CC0 licensed.
- [Streaming](https://www.lotsofsounds.com/soundboard/streaming): Free streaming soundboard with applause, cheers, drum rolls, air horns, dings and buzzers for stream alerts. CC0, free to use in your streams.
- [YouTube & TikTok](https://www.lotsofsounds.com/soundboard/video): Free soundboard for YouTube and TikTok edits: whooshes, transitions, risers, impacts, pops and dings. CC0, free to use, no attribution required.

## Free audio tools (run in the browser, no upload)

- [Sound Finder](https://www.lotsofsounds.com/tools/copyright-free-sound-finder): Find copyright-free sound effects by describing what you need. Search and preview 12,600+ royalty-free CC0 sounds for videos, games, podcasts, and apps.
- [Audio Converter](https://www.lotsofsounds.com/tools/audio-converter): Convert MP3, WAV, OGG, FLAC, or AAC files to MP3 or WAV online for free. No upload, no signup. Everything runs in your browser.
- [Audio Trimmer](https://www.lotsofsounds.com/tools/audio-trimmer): Trim audio and cut MP3 files online for free. Drag start and end points on a waveform, preview the clip, and export. No upload.
- [Waveform Generator](https://www.lotsofsounds.com/tools/waveform-generator): Generate beautiful waveform images from any audio file. Choose from gradient color presets, bar styles, and backgrounds. Download as PNG.
- [Volume Booster](https://www.lotsofsounds.com/tools/volume-booster): Make an audio file louder or quieter by up to 20 dB, or normalize its peak level. Optional soft limiter prevents clipping. Runs in your browser.
- [Speed Changer](https://www.lotsofsounds.com/tools/audio-speed-changer): Speed up or slow down an audio file from 0.5x to 2x in your browser. Pitch changes with speed, like a tape. Export as MP3 or WAV.
- [Reverse Audio](https://www.lotsofsounds.com/tools/reverse-audio): Reverse an audio file so it plays backwards. Free, private, and runs in your browser. Download the reversed clip as MP3 or WAV.
- [Fade In / Out](https://www.lotsofsounds.com/tools/fade-in-fade-out): Add a fade-in and fade-out to an audio file. Set each length, choose a smooth or linear curve, and see it on the waveform. Runs in your browser.
- [Audio Joiner](https://www.lotsofsounds.com/tools/audio-joiner): Join two or more audio files into one. Reorder the clips, add an optional crossfade, and download as MP3 or WAV. No upload, runs in your browser.
- [Loop Audio](https://www.lotsofsounds.com/tools/loop-audio): Repeat an audio clip 2 to 20 times or until it reaches a target length. Optional crossfade hides the seams. Export as MP3 or WAV.
- [Silence Remover](https://www.lotsofsounds.com/tools/silence-remover): Remove silence from the start and end of an audio file and shorten long pauses. Set the threshold and gap length. Runs in your browser.

## Developers

- [Developer hub](https://www.lotsofsounds.com/developers): API, MCP server, examples and limits in one place.
- [API documentation](https://www.lotsofsounds.com/docs)
- [API reference](https://www.lotsofsounds.com/docs/api-reference)
- [OpenAPI spec (JSON)](https://www.lotsofsounds.com/openapi.json) and [YAML](https://www.lotsofsounds.com/openapi.yaml)
- [MCP server guide](https://www.lotsofsounds.com/docs/mcp): connect Claude, Cursor or any MCP client to https://api.lotsofsounds.com/mcp.
- API base URL: https://api.lotsofsounds.com

## Policies

- [License](https://www.lotsofsounds.com/license)
- [Terms](https://www.lotsofsounds.com/terms)
- [Pricing](https://www.lotsofsounds.com/pricing)

## Optional

- [Full LLM reference](https://www.lotsofsounds.com/llms-full.txt): endpoints, parameters, errors and agent guidance.
- [Blog](https://www.lotsofsounds.com/blog)