3GP to MP4 Converter
Convert 3GP mobile video files to MP4.
Open Tool āConvert, trim, resize, compress and edit videos with browser-based utilities.
Convert 3GP mobile video files to MP4.
Open Tool āReplace or add an audio track to a video and export MP4.
Open Tool āConvert AVI video files to MP4.
Open Tool āMirror a video horizontally or vertically.
Open Tool āConvert FLV video files to MP4.
Open Tool āConvert an animated GIF to MP4 video.
Open Tool āRepeat a video two, three or four times.
Open Tool āConvert M4V video files to MP4.
Open Tool āJoin two compatible videos into one MP4 file.
Open Tool āConvert MKV video files to MP4.
Open Tool āConvert MOV or QuickTime video to MP4.
Open Tool āConvert MP4 video to AVI.
Open Tool āConvert MP4 video to MKV.
Open Tool āConvert MP4 video to MOV.
Open Tool āConvert MP4 video to WEBM in your browser.
Open Tool āConvert MPEG or MPG video to MP4.
Open Tool āRemove the audio track from a video.
Open Tool āReverse both video and audio playback.
Open Tool āRotate a video by 90, 180 or 270 degrees.
Open Tool āReduce video file size by re-encoding to compressed MP4.
Open Tool āConvert common video formats including MP4, WEBM, AVI, MOV and MKV.
Open Tool āCrop video to a custom width, height and position.
Open Tool āCapture a JPG frame from a selected time in a video.
Open Tool āChange video resolution to a custom width and height.
Open Tool āSpeed up or slow down video playback while adjusting audio.
Open Tool āConvert a short video clip to an animated GIF.
Open Tool āExtract the audio track from a video and save it as MP3.
Open Tool āExtract uncompressed WAV audio from a video.
Open Tool āCut a video by start time and duration.
Open Tool āConvert WEBM video to MP4 for broad device compatibility.
Open Tool āExtract audio from an MP4 video and convert it to MP3.
Open Tool āExtract audio from an MP4 video and convert it to WAV.
Open Tool āConvert WEBM video clips to animated GIF files with adjustable frame rate and width.
Open Tool āConvert MOV video clips to animated GIF files directly in your browser.
Open Tool āConvert AVI video clips to animated GIF files directly in your browser.
Open Tool āConvert MKV video clips to animated GIF files directly in your browser.
Open Tool āConvert animated GIF files to efficient WEBM video.
Open Tool āExtract the audio track from a video and save it as AAC.
Open Tool āExtract the audio track from a video and save it as lossless FLAC.
Open Tool āExtract the audio track from a video and save it as OGG Vorbis.
Open Tool āExtract the audio track from a video and save it as M4A AAC audio.
Open Tool āConvert WEBM videos into AVI format directly in your browser.
Open Tool āConvert AVI videos into modern WEBM format directly in your browser.
Open Tool āConvert MKV videos into WEBM format directly in your browser.
Open Tool āRepackage compatible WEBM video into MKV format directly in your browser.
Open Tool āConvert MOV videos into modern WEBM format directly in your browser.
Open Tool āConvert WEBM videos into MOV format directly in your browser.
Open Tool āConvert MP4 videos into legacy FLV format directly in your browser.
Open Tool āConvert AVI videos into MOV format directly in your browser.
Open Tool āConvert MOV videos into AVI format directly in your browser.
Open Tool āConvert AVI videos into MKV format directly in your browser.
Open Tool āConvert MKV videos into AVI format directly in your browser.
Open Tool āConvert MOV videos into MKV format directly in your browser.
Open Tool āConvert MKV videos into MOV format directly in your browser.
Open Tool āConvert FLV videos into modern WEBM format locally.
Open Tool āConvert WEBM videos into FLV format locally.
Open Tool āConvert FLV videos into AVI format locally.
Open Tool āConvert FLV videos into MKV format locally.
Open Tool āConvert 3GP video to AVI locally with FFmpeg.wasm.
Open Tool āConvert 3GP video to MKV locally with FFmpeg.wasm.
Open Tool āConvert 3GP video to MOV locally with FFmpeg.wasm.
Open Tool āConvert 3GP video to WEBM locally with FFmpeg.wasm.
Open Tool āConvert M4V video to AVI locally with FFmpeg.wasm.
Open Tool āConvert M4V video to MKV locally with FFmpeg.wasm.
Open Tool āConvert M4V video to MOV locally with FFmpeg.wasm.
Open Tool āConvert M4V video to WEBM locally with FFmpeg.wasm.
Open Tool āConvert MPEG video to AVI locally with FFmpeg.wasm.
Open Tool āConvert MPEG video to MKV locally with FFmpeg.wasm.
Open Tool āConvert MPEG video to MOV locally with FFmpeg.wasm.
Open Tool āConvert MPEG video to WEBM locally with FFmpeg.wasm.
Open Tool āConvert WMV video to MP4 locally with FFmpeg.wasm.
Open Tool āConvert WMV video to MKV locally with FFmpeg.wasm.
Open Tool āConvert WMV video to WEBM locally with FFmpeg.wasm.
Open Tool āConvert video playback to a consistent 30 FPS output.
Open Tool āScale video to a practical 720p output while preserving aspect ratio.
Open Tool āRe-encode video to a controlled bitrate for size and compatibility.
Open Tool āConvert video to broadly compatible H.264/AAC MP4.
Open Tool āGenerate a high-quality thumbnail frame from a video.
Open Tool āCreate a 12-frame visual contact sheet from across the video.
Open Tool āInspect video/audio streams, codecs, dimensions, duration and container metadata.
Open Tool āStrip removable container metadata without unnecessary re-encoding.
Open Tool āExtract the first embedded subtitle track as SRT when available.
Open Tool āCreate a copy without subtitle streams.
Open Tool āRender SRT, ASS or VTT subtitles permanently into the video picture.
Open Tool āMux a subtitle file into an MP4 as a selectable subtitle track.
Open Tool āOverlay a PNG or JPG watermark image near the bottom-right corner.
Open Tool āAdd a readable text watermark to video.
Open Tool āAdd synchronized one-second video and audio fades at the start and end.
Open Tool āApply a balanced saturation and gamma enhancement to video.
Open Tool āImprove video brightness and contrast with a controlled filter.
Open Tool āConvert video frames to grayscale while retaining audio.
Open Tool āReduce spatial and temporal video noise.
Open Tool āApply moderate sharpening to improve perceived detail.
Open Tool āExtract encoded I-frames as JPG images and download them as ZIP.
Open Tool āSet video display aspect ratio to 16:9.
Open Tool āFit video inside a 1280Ć720 frame with black letterboxing when needed.
Open Tool āDelay the audio track by 500 ms while keeping the video stream aligned.
Open Tool āRotate video 90 degrees clockwise while preserving audio.
Open Tool āRotate video 180 degrees while preserving audio.
Open Tool āMirror video horizontally while preserving audio.
Open Tool āFlip video vertically while preserving audio.
Open Tool āRemove all audio streams from a video without re-encoding the video when possible.
Open Tool āInspect nominal and average frame-rate values for video streams.
Open Tool āSample keyframe positions and estimate GOP spacing from encoded video.
Open Tool āCount video, audio, subtitle and attachment streams in a media container.
Open Tool āInspect codec, profile, level and stream details for video tracks.
Open Tool āInspect pixel format, color space, transfer characteristics and color primaries.
Open Tool āReport width, height, coded dimensions and display aspect ratio.
Open Tool āReport exact container duration and start-time information.
Open Tool āInspect embedded audio streams, codecs, channels and sample rates.
Open Tool āInspect embedded subtitle stream codecs and language tags.
Open Tool āInspect container format, bitrate, size, tags and stream counts.
Open Tool āEstimate or read frame counts for video streams.
Open Tool āDetect strong scene changes and export timestamp events as JSON.
Open Tool āDetect sustained black-frame sections and export timestamps.
Open Tool āDetect long nearly-static video segments using FFmpeg freeze detection.
Open Tool āDetect silent audio sections inside a video file.
Open Tool āInspect rotation/display-matrix metadata for video streams.
Open Tool āReport pixel format and chroma details for video streams.
Open Tool āReport sample and display aspect ratios for video streams.
Open Tool āCount sampled keyframes and list keyframe timestamps.
Open Tool āExtract embedded chapter start/end times and titles as JSON.
Open Tool āInspect video container format from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video start time from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video time base from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video sample aspect ratio from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video display aspect ratio from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video pixel format from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video bit depth from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video profile level from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video field order from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video b frame from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video reference frame from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video stream language from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video stream disposition from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video title metadata from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video encoder from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video packet counter from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video frame count verifier from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video average frame size calculator from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video bits per pixel frame calculator from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video audio duration delta from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video subtitle language report from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video chapter duration report from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video rotation side data from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video hdr metadata detector from your file with the Tool Digital Hub forensic engine.
Open Tool āInspect video color range from your file with the Tool Digital Hub forensic engine.
Open Tool āProcess video first 10 seconds extractor with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video first 30 seconds extractor with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video center 10 second clip with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video speed 0.5x with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video speed 1.25x with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video speed 1.5x with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video speed 2x with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video scale 480p with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video scale 720p with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video scale 1080p with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video square center crop with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video vertical 9x16 center crop with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video landscape 16x9 center crop with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video constant 24 fps with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video constant 30 fps with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video web optimizer pro with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video medium compressor pro with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video small size compressor with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video audio loudness normalizer with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video audio volume booster with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video fade from black with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video fade to black with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video first frame extractor pro with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video middle frame extractor with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video last frame extractor with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video preview gif maker with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video bitrate ladder report with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video pixel throughput report with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video file size per minute report with the Tool Digital Hub Phase 25 power engine.
Open Tool āProcess video stream map report with the Tool Digital Hub Phase 25 power engine.
Open Tool āGenerate AI storyboard frames locally and combine them into a downloadable animated WebM video.
Open Tool āGenerate timestamped captions from audio or video locally and download SRT or WebVTT caption files.
Open Tool āTranscribe a video locally and identify promising highlight moments and clip windows using local AI.
Open Tool āFind a short-form clip window with local AI, then export the selected segment in your browser with FFmpeg.
Open Tool āAnimate a still image into a short downloadable video with smart cinematic pan, zoom and motion presets in the browser.
Open Tool āAnimate a portrait from uploaded speech audio with local audio-driven mouth motion and export a short WebM video.
Open Tool āSynchronize an uploaded portrait animation to speech energy and timing for a lightweight local lip-motion preview.
Open Tool āTurn text plus a portrait into a narrated talking-avatar video using local speech synthesis and browser animation.
Open Tool āTranscribe video speech locally, translate it with local AI and create a downloadable English dub track with browser AI speech.
Open Tool āRemove the foreground background from short video clips frame-by-frame with a local segmentation model and export transparent-style canvas video.
Open Tool āCreate a subtle eye-contact correction preview by detecting facial landmarks locally and nudging iris regions toward the camera.
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Video utilities handle common jobs such as conversion, compression, resize, crop, trim, speed, rotation, audio, frames, and delivery preparation. Video processing can be resource-intensive and repeated re-encoding can reduce quality, so keep a high-quality master for future exports.
Start with the tool that matches the exact task rather than the broadest-sounding option. After processing, check the output in the application or platform where it will actually be used. This simple review catches compatibility, layout, quality, and formatting issues that a successful download alone cannot confirm.
Use these guides to choose settings, understand trade-offs and check the result after processing. They focus on real workflow decisions rather than repeating the tool interface.