Video Sound Effects Editor
Professional SFX Library
Visuals make the video; audio makes the feeling. A horror movie without sound is a comedy. Bring the power of a 'Foley Stage' to your browser to layer, mix, and pan thousands of professional sound effects.
Trusted by creative teams at
Foley Studio
Acoustic layering engine
Cinematic Whoosh
1.2s
Deep Bass Drop
2.5s
Audio Layer Sequence
00:00:00:00Drag SFX to timeline
The Secret Sauce of Professional Editing
Amateur editors often overlook Sound Effects (SFX), just adding a music track and calling it done. Professional editors know that true sound design is the secret sauce for immersion.
Whether it's a 'Pop' when text appears, a 'Whoosh' during a transition, or ambient bird sounds in a forest scene—SFX signify attention, movement, and location.
FlowVideo AI's Sound Effects Editor provides a searchable library of 50,000+ SFX along with professional tools for frame-accurate syncing, volume keyframing, and stereo panning.
Why Use a Sound Effects Editor?
The psychology of sonic immersion.
The 'Mickey Mousing' Effect
Syncing on-screen action exactly with sound satisfies the brain's expectation of causality. Our 'Nudge' tool allows millisecond adjustments to align transients perfectly with every visual frame.
World Building Ambience
Studio audio can sound sterile. Layering 'Room Tone' like distant wind or highway noise creates subliminal reality, making the viewer accept the video environment as 'Real'.
Attention Control
A 'Riser' increases pitch before a cut, while a 'Boom' hits on the impact. This sonic punctuation guides the audience's focus and builds anticipation for important moments.
UX Feedback Layout
Especially for app demos or tutorials, adding 'Mouse Clicks' or 'Interface Beeps' confirms actions for the viewer, making instructions significantly easier to follow and follow along.
The Technology: Spectral Interaction
Seeing the sound.
Waveform Visualization
Don't just listen—see the sound. Detailed waveforms allow you to visually align loud spikes or clicks with specific video frames without repeated playback.
Unlimited Audio Layering
Stack Voice, Music, Whooshes, and Foley on separate tracks. High-precision volume faders for each layer allow for a balanced and professional soundstage.
Spatial Audio Panning
Automate the Pan knob to move sounds across the stereo field. Perfect for cars driving from Left to Right, creating a more immersive 3D listening experience.
Layering Professional Sound
From Silent to Cineplex.
Browse Library
Select from categories like Foley, Transitions, or Nature. Search specifically for terms like 'Typewriter' or 'Glitch' and preview instantly.
Drag and Sync
Place effects on the timeline. Use Alt-Drag to quickly duplicate sounds for repetitive actions like typing or walking.
Adjust Volume Envelopes
Add micro-fades (0.1s) to prevent audio 'pops'. Match background levels to approx. -25dB for subtle atmosphere.
The Cinematic 'Stinger'
Find a Bass Drop or Cinema Hit to place exactly where your logo or climactic title appears for maximum impact.
Final Mix & Export
The export process bounces all tracks into a final stereo AAC file baked directly into your MP4 video.
SFX Troubleshooting
Audio Clipping
Too many overlapping sounds.
Lower master volume or use the 'Limiter' to prevent digital distortion.
Sounds Too 'Clean'
Sterile studio quality.
Add 'Reverb' to make effects sound like they exist in a physical room.
Clicking/Popping
Abrupt waveform cuts.
Apply a 0.05s Micro-Fade to the start and end of every SFX clip.
Muddy Mix
Low frequency clash.
Use a 'High Pass Filter' on SFX to cut bass that fights with the voiceover.
SFX Source Comparison
| Feature | Freesound.org | Epidemic Sound | FlowVideo Editor |
|---|---|---|---|
| Audio Quality | Variable | High | Professional |
| Cost | Free (Attribution) | Subscription | Included |
| Workflow | Manual Download | Manual Download | Drag-to-Timeline |
| Search | Basic | Good | Context Aware |
| License | Creative Commons | Royalty Free | Commercial Clear |
Industry Use Cases
Gaming Montages
Layer Hitmarkers, Reload sounds, and humor-focused meme audio for hype-filled game highlights.
Product Commercials
Enhance sensory appeal with the 'Sizzle' of steak or the 'Fizz' of a cold soda opening.
Tech Explainers
Communicate futurism with Interface Beeps and Keyboard Clacks for app walkthroughs and tech reviews.
Horror Shorts
Build unbearable tension with Heartbeats, Creaky Doors, and high-pitched dissonant string chords.
What Users Are Saying
Your videos will feel alive.
“The foley library is incredible. I can find everything from footsteps to clothing rustle to make my scenes feel lived-in and real.”
Jordan P.
Indie Film Director
“Adding UI sounds for my screen recordings is so easy now. It's the difference between a boring tutorial and a professional production.”
Alice W.
Tech Reviewer
“The bass drops and risers in the library are perfect for my transition points. My montage energy levels have doubled.”
Tom H.
Gaming Creator
Frequently Asked Questions about Sound Effects
Don't let your video be flat. Give it depth and texture. FlowVideo AI's Sound Effects Editor is the paint set for your ears. Layer by layer, build a world that your audience can't help but fall into.