ClipSizzle writes the script, finds real licensed footage, adds an AI voiceover, captions, music and cuts—then opens every beat for you to change.
Apply free light leak overlays, lens flares, bokeh hits, warm film flashes, and glowing transitions online with ClipSizzle.
Free Light Leak Overlay | Lens Flare Video Effect Online is a free, browser-based tool from ClipSizzle. There is nothing to install — drop in a video, apply the effect, and download the result. Free accounts get clean daily exports; Pro unlocks unlimited watermark-free exports and 4K.
Open the Sizzle Finisher to apply presets, overlays, color grades, and animated titles, pull assets from the free VFX library, and export a clean MP4 in your browser.