Video Speed Changer
Change video speed from 0.25x to 4x. Preview slow motion or fast playback, estimate output duration, choose audio mode, and export MP4 locally in your browser.
Use NowChange video speed from 0.25x to 4x. Preview slow motion or fast playback, estimate output duration, choose audio mode, and export MP4 locally in your browser.
Use NowFree online video parser for Douyin, Kuaishou, Bilibili, Xiaohongshu and more. Paste a link to download MP4 or extract MP3 audio at 320K, 192K or 128K.
Use NowMerge MP4, MOV, WebM and MKV videos. Reorder clips and choose fast stream copy or re-encoding. Export MP4 locally in your browser, without server uploads.
Use NowResize videos with 1080p, 720p, 480p or 360p presets, or custom dimensions. Keep the aspect ratio or set width and height. Export H.264 MP4 locally; no upload.
Use NowConvert local videos to GIFs in your browser. Trim one or more clips, crop the frame, adjust width, frame rate, color quality, playback speed and looping, or......
Use NowOnline video mute tool: remove audio tracks from videos while keeping the original visuals. Uses stream copy processing without re-encoding video, preserving......
Use NowOnline video rotation tool: supports clockwise, counterclockwise 90° and 180° rotation, as well as horizontal and vertical mirroring. Fix incorrect phone vid......
Use NowOnline video parsing and downloading tool supporting YouTube, TikTok, Instagram, Facebook, X (Twitter), Vimeo and other platforms. Download MP4 videos or ext......
Use NowFree online subtitle tool: convert between SRT, WebVTT, and ASS, shift subtitle timing forward or backward and trim by time range, extract embedded subtitle ......
Use NowFree online video compressor: open a local video in your browser and choose Small File, Recommended, or Higher Quality presets, or use custom settings for th......
Use NowFree online video format converter: convert local videos in your browser to MP4, WebM, MOV, or MKV. Select the video codec, resolution, and audio codec, incl......
Use NowFree online video to MP3 converter: open a local video in your browser, extract its audio track, and export it as MP3. Choose a fixed bitrate from 64 to 320 ......
Use NowFree online video trimming tool: open a local video in your browser, select the required section with dual sliders or exact millisecond timecodes, and export......
Use NowFree online video screenshot tool: open a local video in your browser, drag the timeline to the target frame, and export JPG, PNG, or WebP images. Supports m......
Use NowNZ Tools Video Tools provide a collection of simple and practical online video processing features, helping users complete common tasks such as video compression, trimming, format conversion, GIF creation, audio extraction, video screenshots and subtitle processing directly in the browser.
Reduce video file size by adjusting video quality, resolution and other parameters. Suitable for video sharing, website uploads and saving storage space.
Set the start and end times to quickly extract the video segment you need without installing professional video editing software.
Select a specific section of a video and convert it into an animated GIF for demonstrations, animations or web content.
Extract audio from a video file and convert it to MP3 when you need to save the audio separately.
Play a video and select a specific point in time to save the current frame as a JPG, PNG or WebP image.
Convert between common video formats and adjust the output format, resolution, encoding and audio parameters as needed.
Provide common subtitle processing features such as subtitle conversion, timing adjustment and subtitle extraction for SRT and VTT files.
NZ Tools prioritizes browser-based local processing whenever supported. Video files can be processed directly on the user's device without uploading the original video to NZ Tools servers.
Local processing can reduce upload waiting time and data transfer when working with private videos or large files. Check the individual tool page for details on whether local processing is supported.
NZ Tools brings common video processing features together in the browser, allowing users to choose the right tool for each task. Supported local-processing features can handle common video tasks without installing desktop video editing software.