Comparisons

Best Free Sound Effects Sites in 2026 (Licenses Compared)

Written by: Sonilo Team
Published: Sep 29, 2026

Title card reading "The Best Free Sound Effects Sites in 2026" on a blue gradient.

"Free" means something different on every sound effects site. On one it means free to use anywhere with no credit. On another it means free if you credit the site in every video. On a third it means free for personal projects only, and a client video needs a paid plan. Download counts rarely matter. The license does, because it decides whether a whoosh can go in a paid ad.

We checked ten sites on 28 and 29 September 2026 and read each license or help page directly. Sonilo publishes one of these libraries, so it's in the list, but it isn't placed first and we point out where it falls short. Numbers in brackets link to the sources at the end. Licenses change, so check the site's own page before you ship anything important.

Quick comparison

Site	Commercial use on the free tier	Credit needed	Account to download	Formats (free tier)	Size (as stated by the site)
Pixabay	Yes [1]	No [1]	Not stated for audio [2]	MP3	130,000+ sound effects [3]
Mixkit	Yes [5]	No [5]	No [5]	WAV	Not stated
ZapSplat	Yes, including broadcast [7]	Yes, on the free Basic plan [7]	Yes [7]	MP3 (WAV on Premium) [7]	160,000+ [8]
Freesound	Depends on each sound's license [9]	CC BY: yes. CC0: no [9]	Yes [9]	As uploaded: WAV, AIFF, FLAC, MP3 or Ogg [9]	736,708 sounds [10]
BBC Sound Effects	No: personal, research and formal education only [11]	Yes [11]	Not stated	MP3 and WAV [12]	33,000+ [12]
Uppbeat	Your own channels only; client and business work need a paid plan [13][15]	No for sound effects [14]	Yes [14]	MP3 (WAV on paid plans) [14]	30,000+ [14]
Sonilo	Yes, including paid ads [16][17]	No [16]	No [16]	MP3 and WAV [16]	3,463 sounds in 66 categories [16]
ElevenLabs	No on the Free plan [19]	Yes on Free ("elevenlabs.io" or "11.ai" in the title) [19]	Not stated	MP3 on Free, WAV on paid plans [20]	A generator, 30 s per clip [20][21]
YouTube Audio Library	Yes, in YouTube videos [22]	Creative Commons tracks only [22]	Yes (YouTube Studio) [22]	MP3 [22]	Not stated
Epidemic Sound (paid)	Paid plans only; ad campaigns need Pro or Enterprise [23]	Not stated	Yes (subscription)	WAV or MP3 [25]	250,000+ effects and variations [23]

"Not stated" means the site doesn't publish it.

1. Pixabay: huge catalog, simple license

Pixabay's sound effects page lists "over 130,000+" effects from its community [3]. Its Pixabay Content License lets you use content free, commercially too, without attributing the author [1]. The main limits are that you can't sell or distribute the files on a standalone basis, and content with recognizable trademarks or brands can't be used commercially in relation to goods and services [1]. The Pixabay Content License is Pixabay's own license, not CC0: CC0 only applies to content published before 9 January 2019 [4]. Older articles that call everything on Pixabay CC0 are out of date.

Content ID: Pixabay's FAQ says some contributors or their distributors may register their audio with Content ID. For tracks registered that way, Pixabay offers a license certificate you can use in a YouTube dispute. For everything else, it suggests keeping the download link, file name and license summary as proof [2][26]. This matters more for its music than for short effects.

Good for: quick, broad searches when you want no strings attached. Watch out for: community uploads vary in quality, and some audio is registered with Content ID. Its sound downloads are MP3.

2. Mixkit: small, curated, no sign-up

Mixkit, run by Envato, says its sound effects are "royalty-free and can be used without attribution, plus no sign up is required," in "both commercial and personal projects" [5]. The hub page mentions .wav and .mp3, but the free download itself is a WAV file. Mixkit's sound effects license covers uses including video games, TV and radio broadcasts, CDs and DVDs [6]. Mixkit doesn't publish a total count. The library is hand-picked rather than huge.

Good for: editors who want a clean set of transitions, UI sounds and game effects without making an account. Watch out for: the catalog is smaller, and Mixkit's music has a separate license with different limits: no CDs, DVDs, video games, or TV and radio broadcast [27]. Don't assume one license covers both.

3. ZapSplat: very large, free with credit

ZapSplat lists over 160,000 sound effects [8]. Its standard license, last updated 8 May 2026, lets free Basic members use sounds in an "unlimited number of personal, commercial, and broadcast projects." Basic members must credit "ZapSplat", can only download MP3s, and have download limits. Premium removes the credit requirement and adds WAV, and sounds downloaded while you're on Premium stay credit-free for life [7]. You need your own account to download [7]. Its license has a dedicated section on client work and transferring projects, and it names games, apps and software as permitted uses [7].

Good for: people who don't mind crediting, or who will pay for Premium to get WAV. Watch out for: the credit requirement on the free tier. The license also forbids using its sounds as the primary value of a relaxation video, soundboard or similar standalone product [7].

4. Freesound: the biggest open archive, one license per sound

Freesound hosted 736,708 sounds when we checked [10]. Each sound carries its own license: CC0 (no conditions), CC BY (credit required) or CC BY-NC (credit required, no commercial use). Some older sounds carry Sampling+, a license Creative Commons no longer recommends [9]. You need to be logged in to download, and files come in the format the uploader chose: WAV, AIFF, FLAC, MP3 or Ogg [9].

Good for: unusual field recordings and very specific sounds. Watch out for: you have to check the license on every file. A CC BY-NC sound can't go in a monetized video or a client project. The search filters let you limit results to one license. If CC0 and CC BY are new to you, our explainer covers the difference.

5. BBC Sound Effects: a great archive, not for commercial work

The BBC archive has over 33,000 clips, each offered as MP3 or WAV [12]. The free license allows non-commercial, personal or research use, and formal education use by students and staff of a school, college or university [11]. You have to credit the BBC [11]. The license doesn't allow commercial use, and it rules out uploading to social media sites and making money from the content [11]. The BBC's FAQ counts a project as commercial if you monetize it or it's advertising-funded, so a monetized YouTube video needs a paid license. Commercial licensing is handled by Pro Sound Effects [11][12].

Good for: students, teachers, school projects and personal films, especially historical and natural-history recordings. Watch out for: social media, monetized channels and client projects need a paid license.

6. Uppbeat: made for creators, free sound effects without a credit code

Uppbeat asks you to sign up for a free account to download [13][14]. It says its sound effects don't need an "Uppbeat Credit": the credit code on its free plan applies to music, because YouTube's automated copyright system applies to music, not sound effects [14]. The free plan is for individuals publishing on their own channels. Uppbeat says freelancers and solo professionals need Uppbeat Pro, and companies, brands and agencies need Uppbeat Business [15]. Its FAQ describes the free plan as 3 downloads upfront, restored by 1 each month, with access to 25% of the catalog [15]. MP3 is available to everyone, and WAV is on Pro and Business [14]. Uppbeat says it has over 30,000 human-made sound effects [14].

Good for: solo creators publishing on their own channels. Watch out for: the small free allowance, and client or brand work, which needs a paid plan.

7. Sonilo: smaller, AI-generated, free for commercial use

Disclosure: this is our library. Sonilo's royalty-free sound effects library has 3,463 sounds in 66 categories [16]. Every sound is generated by Sonilo's own AI model, not recorded. You can preview and download MP3 or WAV without an account [16][17].

The library license allows personal and commercial use, including monetized videos, paid ads, client work, podcasts, apps and games, with no account, no credit and no royalties [16][17]. You can use the files inside your own projects, including games, apps and templates you sell, with no revenue cap. What you can't do is sell or share the files on their own or in sound packs. Sonilo doesn't register library sounds with YouTube Content ID [18]. A free download doesn't include a license certificate; Pro and Premium members can download one for any library sound effect [16][17].

There are keyword pages such as whoosh sound effects (145 sounds at the time of writing). The hub, category and keyword pages are available in 10 languages; individual sound pages are in English. Each sound page has a "Generate a variation" button that sends the sound's description to Sonilo's text-to-sound-effects generator. Generating needs an account and uses credits, and anything you generate follows your plan's license, not the library license: commercial use starts on Pro [17]. Sonilo's models are trained on licensed catalogs, including Shutterstock's.

Good for: commercial projects where you want WAV and no credit line, and editors who want a version of a sound they can't quite find. Watch out for: it's far smaller than Pixabay, ZapSplat or Freesound. The sounds are generated, not field recordings, so if you need an authentic recording of a real place or a historical event, the BBC archive or Freesound is a better fit.

8. ElevenLabs: a generator, not a free commercial library

ElevenLabs Sound Effects is mainly a text-to-sound generator, up to 30 seconds per clip [20][21]. ElevenLabs' legal help page says Free-plan content "cannot be used for any commercial purpose," and published free content must include "elevenlabs.io" or "11.ai" in the title [19]. All paid plans include a commercial license, and paid plans add WAV at 48 kHz [19][20]. One ElevenLabs marketing page says all its sound effects can be used commercially. That conflicts with the legal page, so we'd follow the legal page.

Good for: generating a specific effect from a prompt, on a paid plan. For a single short clip you can describe in words, it's often the quickest option. Watch out for: don't treat free-plan output as commercially cleared.

9. YouTube Audio Library: safest if you only publish on YouTube

The Audio Library inside YouTube Studio has music and sound effects that YouTube says are "copyright-safe" and "won't be claimed by a rights holder through the Content ID system." If you're in the YouTube Partner Program, you can monetize videos that use them [22]. Creative Commons tracks need a credit in the video description, and downloads are MP3 [22]. YouTube says it "can't give legal guidance, including guidance on issues with music that can occur off the platform" [22].

Good for: YouTube-only creators. Watch out for: don't assume the same sounds are cleared for a podcast, an ad on another platform or a game.

10. Epidemic Sound (paid): everything, with a subscription

Epidemic Sound isn't free, but it's the usual upgrade. It advertises 250,000+ sound effects and variations alongside 55,000+ tracks it owns exclusively, and it offers a free trial [23]. You can connect your channels to your subscription, and Epidemic says "all content published during an active subscription stays clear forever" [24]. Ad campaigns need the Pro or Enterprise plan [23]. Downloads come as WAV or MP3 [25].

Good for: teams who want music and effects under one license and have the budget.

Which one should you use?

Commercial project, no credit line, WAV wanted: Mixkit or Sonilo. Pixabay also needs no credit, but its downloads are MP3.
Largest possible selection, and crediting is fine: ZapSplat (credit on the free tier) or Freesound (check each file's license).
School or personal project that needs real archival recordings: BBC Sound Effects, as long as it isn't going on social media.
YouTube only: the YouTube Audio Library first. Uppbeat is fine for your own channel.
Budget for a subscription: Epidemic Sound.
A sound that doesn't exist yet: a generator such as ElevenLabs or Sonilo, on a paid plan if the result is going into commercial work.

Whatever you pick, save the download page URL or license certificate with the project files. If a claim ever appears, that record is what clears it. If you also need music, see our comparison of the best royalty-free music sites. If you're moving off one source, we also compare YouTube Audio Library alternatives and Pixabay music and sound effects alternatives.

FAQ

Are free sound effects safe to use on YouTube?

Usually, but "free" doesn't settle it. Check that the license allows monetized use and whether it requires a credit. Some sites' contributors register audio with Content ID, and Pixabay says so openly [2]. A claim is not a copyright strike, and you can dispute it with your license record.

Do I have to credit the site?

It depends. ZapSplat's free tier, Freesound's CC BY sounds, the BBC's free license and ElevenLabs' Free plan all require credit. Pixabay, Mixkit, Uppbeat's sound effects and Sonilo's library don't.

What's the difference between CC0 and royalty-free?

CC0 waives copyright as far as the law allows, so anyone can use the work for anything. Royalty-free means you don't pay per use, but the work is still licensed to you under conditions. Pixabay, Mixkit and Sonilo each use their own royalty-free license, not CC0. See CC0 vs CC BY and what royalty-free means.

Can I use free sound effects in a game or app?

ZapSplat's license names games, apps and software [7], and Mixkit's sound effects license lists video games [6] (its music license doesn't [27]). Sonilo's library allows apps and games, including ones you sell, as long as you don't sell or share the files on their own [17]. Pixabay allows it if you don't distribute the files on a standalone basis [1]. Freesound depends on each sound's license, and the BBC's free license doesn't allow it.

Is AI-generated sound effects audio copyrighted?

It's an unsettled area. The US Copyright Office's position is that material generated without human authorship isn't protected. What matters to you as a user is the license the site gives you. Our explainer on AI music, copyright and Content ID covers it in more detail.