Video Speed and Pitch Changer Live

【Next-Gen Video Pitch, Speed & Formant Editor】 A powerful video speed changer, pitch shifter, formant shifter, and voice changer — freely control playback speed, pitch, and formant independently, live, without sacrificing audio quality. Preserve natural vocal character while changing pitch, or shift formants independently to reshape vocal tone. Set AB Repeat loops to practice, trim, and export sections with or without video. Create smooth slow motion, natural tempo changes, and creative vocal effects. --- 【Key Features】 ① Playback Mode — Real-time Preview & Quick Export Adjust pitch, speed, and formant while watching your video. What you hear is what you get. * Speed Control: Slow down or speed up video without changing pitch. * Pitch Shift with Formant Keep: Change pitch while preserving natural vocal character — avoiding the unnatural "chipmunk" effect. * Formant Shift: Keep pitch unchanged while freely altering vocal character for subtle adjustments or dramatic effects. * Free Formant Shift: Turn off Formant Keep to control formant independently during live playback. * Practice Setlists (NEW): Build practice playlists with multiple tracks. Save individual speed, pitch, and formant settings per song ("Save Tune"), reorder via drag & drop, and toggle repeat modes (Off / All / One). Swipe horizontally or tap next/prev to switch songs seamlessly during rehearsal. * 5-Band Equalizer: Fine-tune sound and restore frequency balance after pitch shifting. * AB Repeat: Loop any A–B section for practice or detailed listening. * Quick Export: Export instantly in MP4 with your adjustments preserved. ② Edit Mode — Timeline Control & High-Quality Export Place control points on the timeline to create dynamic speed, pitch, and formant curves. * Smooth Transitions: Gradually accelerate, decelerate, rise, or drop pitch over any duration. * Formant Automation: Adjust formant independently across the timeline for detailed voice editing. * High-Quality C++ Phase Vocoder: Pristine sound quality even with extreme pitch or tempo changes. * Microtonal Pitch: Long-press pitch labels for 5-cent precision, ideal for tuning adjustments. * Text & TTS: Place text on the timeline and narrate using device TTS voices with custom speech settings. * SRT Import: Import subtitle timing and text directly into the timeline as editable TTS items. * Natural Speech Mixing: TTS audio is mixed independently of speed/pitch changes for crisp narration. * Audio-Only Export: Long-press Export to save audio in M4A format without video. ③ Instant Access Share any video directly from your Gallery, Files app, or other apps to start editing immediately. --- 【Perfect For】 * Musicians & Transcribers — Practice setlists with custom speed and key per song; slow down fast solos to transcribe fingering and phrasing. * Performers & Content Creators — Create slow-motion videos and adjust vocal character for creative effects. * Dancers & Athletes — Slow down crucial moments to analyze form and movement. * Karaoke Lovers — Shift the key of any video without changing tempo. * Voice Creators — Shift pitch or formant independently for versatile voice modulation. * Language Learners — Slow down audio and adjust pitch for optimal listening comprehension. --- 【Ad-Free Option】 A brief ad appears occasionally when loading or exporting. A one-time purchase removes all ads permanently. Every feature remains fully available to all users. --- 【100% Local Processing — Complete Privacy】 All processing happens entirely on your device. Your videos are never uploaded to any server. --- 【Credits】 App icon designed by Mostafiz — thank you! --- 【Open Source Software (OSS)】 ■ Android Jetpack & Material Components — Apache License 2.0 ■ Google Media3 (ExoPlayer & Transformer) — Apache License 2.0 ■ KISS FFT — BSD 3-Clause License (Mark Borgerding)