Sabay Audio Lab
Browser-powered media tools

Create better audio & video, right in your browser.

Sabay Audio Lab is a growing collection of simple creator tools. Master a song, build a professional video loop, and use future media utilities without installing desktop software.

AVAILABLE TOOLS

Local-first processing

Mastering and video-loop processing are designed to run on the visitor's device, reducing unnecessary uploads and keeping the workflow quick.

Simple creator workflow

Choose a tool from the Home page, load a file, adjust only the controls you need, preview the result and export.

Built to grow

The navigation and tool-card system can add new utilities later without making first-time visitors guess what the website does.

How Sabay Audio Lab works

01 · CHOOSE

Start from Home and choose the media tool that matches your task.

02 · CREATE

Load your own audio or video and tune the result with clear, purpose-built controls.

03 · EXPORT

Preview before exporting. Processing is performed locally whenever the browser supports it.

About this creator toolkit

Sabay Audio Lab focuses on practical browser-based media tools for musicians, video creators and everyday users. Each tool has its own workspace while Home explains what is available, so the site remains understandable as new features are added.

Mastering Studio

1-Tap mastering with 9 studio-grade profiles, A/B preview and transparent limiting.

● WebAudio Engine ● True 3-Band Dynamics ● Transparent Limiter

Drop audio file here
or click to browse

WAV · MP3 · FLAC · AAC
(recommended: WAV/FLAC)

Original0:00 / 0:00
Mastered (Preview)0:00 / 0:00
Original
--
LUFS est.
Mastered target
-14.0
LUFS
Sample peak
--
dBFS
Mastering Presets (BandLab-style)
9 tuned profiles optimized for loudness, clarity and musicality.
Ready. Load a song to master.
Mastering Controls (Manual / Advanced)
Every slider below changes the real live DSP and the exported WAV.
Input Gain0.0 dB
Low EQ0.0 dB
Mid EQ0.0 dB
High EQ0.0 dB
Comp Threshold-22 dB
Comp Ratio1.5:1
Saturation0%
Stereo Width100%
VIDEO TOOL

Professional Video Loop

Build a closed cyclic loop: trim a short head segment, wrap it over the tail, then blend picture and audio so the file can repeat cleanly.

● Local processing ● No upload ● Cyclic wrap
LOOP WORKSPACE
STABLE ENGINE
Drop video file here
or click to browse
MP4 · WebM · MOV (browser-decodable)
0:00.00:00.0
Auto Loop Blend0.60s
Head wrap length
Loop end0.0s
Repeats3×
Audio always uses equal-power fade.
Audio Volume100%
Preview + exported loop audio.
LOOP MATCH
Waiting
PREVIEW DROPPED FRAMES
0
AUDIO WRAP
Equal Power
HEAD WRAP
Preloaded at 0.00s
Load a video, review Auto Loop Blend, then click Generate Loop Video.

Tips for a smooth loop

The cyclic engine trims the selected head length from the beginning, starts the main cycle after that head, then places the original head over the final tail. The wrapped head fades from 0→100% while the tail audio fades out and the head audio fades in with an equal-power curve. The last frame/audio phase therefore matches the beginning of the next cycle.

100% LOCAL PROCESSING

Relax Video Maker

Create long relaxing videos from already-looped clips, images, original clip audio, background music, nature sounds and professional titles. Files stay on this device.

No upload · No render server
RELAX WORKSPACE
STABLE ENGINE

1. Source Media

LOOP-READY · REPEAT TO DURATION
PLAYLIST ORDER · TOP TO BOTTOM Drag or use ↑ ↓
No media added yet.

Live Preview

16:9 · 1920×1080
Waiting for media

Source-first workflow

V12 Deterministic mode is optimized first for one already-looped video. Frames are decoded by source timestamp and encoded on an explicit output timeline instead of being screen-recorded in real time.

Original audio mixer

Original clip audio, background music and nature SFX are mixed locally. In V12 deterministic mode audio is rendered in small offline blocks and encoded into the same MP4.

Local and private

Selected media stays on this device. V12 uses browser-native media codecs plus local disk streaming when a Work Folder is selected; no render server is required.