Grade videos with 18 filters across Color, Artistic, Blur, and Lighting (grayscale, sepia, pixelate, gaussian blur, vignette, brightness/contrast/saturation) plus a live still-frame preview. Export MP4, WebM, or GIF — local FFmpeg work, unlimited saves.
Runs on FFmpeg
Content reviewed October 2026 · About Toolzum
Reduces MP4, MOV, and WebM video file sizes with a configurable CRF 20–40 slider (default 28, libx264 fast preset), plus a GIF mode with color-palette control. Videos never leave your device — compression runs locally in your browser with FFmpeg WASM.
Convert MP4 to WebM for fast web embedding with smaller files. Make homepage videos load instantly — local FFmpeg work, unlimited saves.
Convert WebM videos to Apple-friendly MOV for Final Cut and QuickTime workflows. Bring web clips into Mac editing — local FFmpeg work, unlimited saves.
Grade photos with 6 one-click filter presets — Vintage, Noir, Vibrant, Cool Tone, Warm Glow — plus 6 manual sliders (brightness, contrast, saturation, blur, sepia, grayscale) rendered live through canvas filters at full source resolution. Exports JPEG at quality 0.95 as enhanced-<name>; nothing uploads.
Upgrade one GIF to APNG via FFmpeg apng codec at locked 10fps and source dimensions (Lanczos) — 24-bit color plus 8-bit alpha, no size/quality settings. Result panel shows GIF vs APNG KB with ±% change; saves as <name>.png. Modernize sticker packs — local FFmpeg work, unlimited saves.
Raise brightness +10, contrast +15, saturation +10 as a starting recipe: flat 7am clips gain punch without clipping highlights. Preview on the brightest frame before exporting.
Lower saturation to −30, warm the tones, add slight contrast: instant film feel. Grayscale at full strength suits dramatic B-roll and title backgrounds.
Slightly — each filter adds a processing pass, roughly 20–30% longer than plain conversion. A 5-minute 1080p clip still finishes in a few minutes on a laptop.
No — filtering runs locally in your browser with FFmpeg WASM. Only the final save touches the network — downloads are unlimited.
Video Stabilizer
Smooth shaky handheld footage with motion-compensated stabilization. Salvage walking tour videos without gimbals — local FFmpeg work, unlimited saves.
Video Watermark Adder
Burn text watermarks into a video with 5 position presets (bottom-right default, fixed 24px white on semi-transparent black box). Brand one clip at a time — local FFmpeg work, unlimited saves.
Video Speed Changer
Speed up or slow down video from 0.1x to 10x (presets 0.25x–4x) with pitch-corrected audio via chained atempo filters. Make a 20-minute lecture watchable at 2x — local FFmpeg work, unlimited saves.