Free sound effects maker for games
Press a preset to make and hear a new sound. Adjust the sliders, try Mutate, then download a WAV for your game or video.
Runs on your device. Nothing is uploaded. Sounds you make are yours to use, including in commercial games.
Make a sound
Press a preset to make your first sound.
WAV: 44.1 kHz, mono, 16-bit. No model download; sounds are synthesized on your device. Volume affects the saved audio.
Share or remake a sound
Last 10 sounds
Click a sound to restore its settings and play it. History is kept only while this page is open.
Synthesized with jsfxr by Eric Fredricksen and Chris McCormick, based on sfxr by Dr. Petter. Unlicense / public-domain licence and pinned source inventory.
Frequently asked questions
Which sounds can I make?
Start with pickup or coin, laser or shoot, explosion, power-up, hit or hurt, jump, blip or select, or Random. Every press makes a fresh variation and plays it. Mutate makes a small change to your current sound.
Are my sounds uploaded, and can I use them commercially?
Runs on your device. Nothing is uploaded. Sounds you make are yours to use, including in commercial games. No account, microphone permission or payment is needed.
What can I download?
Download mono WAV audio at 44.1 kHz and 16-bit PCM, ready for game engines and video editors. Download all saves the last ten sounds in history as a ZIP. History lasts for this page session; download it before closing the page.
How do I share or remake a sound?
Copy the short settings string and send it to someone, or keep it for later. Paste it into the settings box and press Load settings. It includes the noise seed, sliders, wave shape and volume, so the same settings remake the same WAV in this browser.
How do the sliders work?
Envelope sets attack, sustain and decay. Frequency sets pitch and slide; vibrato adds pitch wobble. Duty changes square and sawtooth waves. Filters shape bright or bass tones. Show all settings reveals pitch changes, repeat, sweeps, resonance and flanger. Changes play after a short pause; volume affects playback and export.
More tools
Images & PDFs
- Receipt scanner
- Subtitle generator
- Video Editor: Trim, Join and Resize
- Product Photo Background Remover
- Image to SVG Tracer
- Image compressor
- Image converter
- Image resizer
- GIF maker
- JPG to PDF
- PDF to JPG
- PDF merger
- Fillable PDF Form Builder
- PDF to Word and Excel
Text & codes
- Text to Speech and Voiceover
- Spreadsheet Cleaner
- Auction Organizer
- Recall Check
- Data Finder
- Page to Markdown
- Word counter
- Character counter
- Fancy font generator
- JSON formatter and validator
- QR code generator
- Barcode generator
- Password generator
- YouTube transcript from captions
- Website score (on cowerx.dev)