GlisioFree tools
Free browser video tools
Convert, compress, trim, and plan exports without uploading a file. Processing stays in your browser.
Free video to GIF converter
Convert video to GIF in your browser. Pick a clip range, choose quality, and download. Files never leave your device. Free, no watermark, no signup.
Free in-browser video compressor
Compress MP4 videos in your browser. Compare before/after file size and download a smaller file. Your video never leaves your device.
Free video trimmer
Trim video start and end times in your browser with a simple preview. Download the cut clip privately. No upload, no watermark.
Aspect ratio calculator
Calculate matching width or height for 16:9, 9:16, 1:1, 4:3, and 21:9. Instant visual preview for YouTube, TikTok, Reels, and product demos.
Video file size estimator
Estimate video file size from resolution, duration, and quality. Plan storage and uploads before you export. Free calculator, no signup.