Blog
Apps
Guides for the TooLab apps that run in your browser: the photo, audio and video editors, the screen recorder and more.
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Apps
Why exporting to MP3 changes quiet details
Learn why MP3 export can blur quiet ambience, reverb tails, and background textures, how to compare the change fairly, and what to adjust.
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Apps
How to split a lecture into shorter audio excerpts
Turn a long lecture into clear, shorter audio excerpts in your browser. Learn how to find sections, trim each clip, and export files for sharing.
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Apps
Can you record a voiceover in an audio editor?
TooLab's Audio Editor edits recordings but does not capture a live mic. Learn how to record a voiceover, import it, and mix it with other audio.
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Apps
How to create a simple birthday greeting video
Create a short birthday greeting video from one photo, a few lines of text, and your voice, using browser tools without installing an editor.
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Apps
Long audio project export fails: what to do
Find why a long audio export fails, check browser memory and free storage, then test a shorter section or another format before exporting again.
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Apps
How to add background music beneath a talking video
Add music under speech without drowning it out: place it on a separate track, balance its level, and fade it smoothly in your video editor.
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Apps
Why a voice clip sounds unnatural after pitch changes
Learn why pitch-shifted speech sounds robotic, thin, or muddy, and how to adjust the source, shift size, and export settings for a more natural result.
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Apps
How to fix an overly warm indoor photo
Correct a yellow or orange cast in an indoor photo by adjusting color temperature, checking mixed light, and keeping skin tones natural.
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Apps
Why video preview stutters but export succeeds
Learn why a video timeline can stutter while the finished file plays smoothly, then check preview quality, decoding, effects, storage, and settings.
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Apps
How to adjust one clip's volume without muting others
Raise or lower one clip's audio without changing the rest of your timeline. Learn when to use clip gain, track volume, or keyframes, then check the mix.
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Apps
Why editing multiple open pictures uses memory
Learn why open photos use more memory than their file sizes suggest, how to measure the load, and what to close before an editor slows down.
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Apps
How to arrange narration and music segments
Arrange narration and music in a clear sequence, trim pauses, smooth transitions with fades, and export one finished audio file in your browser.