Video Metadata Viewer
Inspect local video dimensions, duration, container and available codec information. Export the report as JSON.
Ready to useVIDEO
Video Tools
22 focused tools, from a single frame to a clearer subtitle. Processing starts only when you open a tool and choose an action. Check each tool’s supported scope.
Information & analysis
Video Metadata ViewerVideo Resolution CheckerVideo Aspect Ratio CalculatorVideo Duration CalculatorVideo File Size & Bitrate EstimatorYOUR PRIVATE FILE TOOLBOX
Video Tools
Inspect, capture, subtitle and stream-copy compatible video locally.
22 toolsOn-device processing for available tools
Video Resolution Checker
Read displayed width, height, pixel count and accurately matched resolution classes.
Ready to useVIDEO
Video Aspect Ratio Calculator
Simplify video dimensions into a ratio and compare target layouts without altering the video.
Ready to useVIDEO
Video Duration Calculator
Read video length, convert timecodes and calculate a timestamp interval.
Ready to useVIDEO
Video File Size & Bitrate Estimator
Estimate overall average bitrate from local file size and duration, or calculate a target file size.
Ready to useVIDEO
Video Screenshot
Capture the selected presentation frame as a genuine PNG, JPG or WebP image.
Ready to useVIDEO
Video Thumbnail Generator
Choose a timestamp and create an aspect-preserving thumbnail at a bounded output width.
Ready to useVIDEO
Video Frame Extractor
Sample up to 60 frames by count, interval or selected timestamps. Download images individually or in a ZIP.
Ready to useVIDEO
Video to JPG Frames
Extract sequentially sampled video frames as genuine JPEG images with adjustable quality.
Ready to useVIDEO
Video to PNG Frames
Sample selected timestamps as lossless PNG images and download an image ZIP.
Ready to useVIDEO
Video Contact Sheet Maker
Compose sampled frames into a contact sheet with configurable columns, padding, background and timestamps.
Ready to useVIDEO
Video Cover Maker
Turn a selected frame into a static cover with crop presets, title, subtitle, shapes and color overlays.
ExperimentalVIDEO
SRT to VTT Converter
Convert valid UTF-8 SRT cues into WebVTT with multiline text and millisecond timing.
Ready to useVIDEO
VTT to SRT Converter
Convert supported WebVTT cues to numbered SRT and disclose unsupported styling or positioning.
Ready to useVIDEO
Subtitle Time Shifter
Advance or delay SRT and WebVTT cues, preview timing changes and handle negative starts explicitly.
Ready to useVIDEO
Subtitle Validator & Cleaner
Detect malformed timing, overlaps, unsorted cues and whitespace. Apply safe cleanup after reviewing the report.
Ready to useVIDEO
Video to GIF
Encode a short selected clip as an animated GIF, up to 10 seconds, 480 pixels wide and 12 FPS.
ExperimentalVIDEO
Mute Video
Remove all audio tracks from compatible videos by copying the existing encoded video into a new container.
ExperimentalVIDEO
Trim Video Without Re-encoding
Copy a compatible video range at complete keyframe-group boundaries and report the actual exported interval.
ExperimentalVIDEO
Extract Audio from Video
Copy a selected AAC, Opus or Vorbis audio track into M4A or Ogg without changing its codec.
ExperimentalVIDEO
Webcam Video Recorder
Record your camera with an optional microphone, preview the result and download the browser-supported format.
ExperimentalVIDEO
Screen Recorder
Record a user-selected screen, window or tab with optional supported capture audio. All recording stays local.
ExperimentalVIDEO