All Tools
All Formavide tools run entirely in your browser. Files never leave your device.
Convert MP4 to MP3 Online — No Upload, Private
Extract audio from MP4 videos and convert to MP3 format. All processing happens in your browser. Files never leave your device. No sign-up required. Also supports decrypting NetEase NCM, QQ Music QMC, Kugou KGM encrypted music formats.
Add Watermark to Video Online — Protect Your Content
Add image or text watermarks to videos. Supports multiple positions, opacity control, and rotation. No sign-up needed.
Remove Watermark from Video Online — AI Inpainting
Remove watermarks and logos from videos using AI inpainting. Frame-by-frame processing preserves original audio. No sign-up required.
Audio Denoiser Online — AI Noise Reduction
Remove background noise from audio and video using RNNoise neural network. No sign-up needed. Fully browser-based.
Remove Watermark from Image Online — Smart Inpainting
Remove watermarks and unwanted text from images using smart inpainting. Select the area and restore. No sign-up required.
Convert MP4 to MOV Online — Free Converter
Convert MP4 videos to MOV format, compatible with Apple ecosystem. All processing happens in your browser. No upload needed.
Convert MP3 to WAV Online — Lossless Conversion
Convert MP3 audio files to WAV lossless format, ideal for audio editing and post-production. Fully browser-based.
Extract Audio from Video Online — Free Tool
Extract audio tracks from video files and save as MP3, M4A, WAV, and more. No upload needed, privacy protected.
Trim Video Online — Free Video Cutter
Precisely trim video clips with visual timeline controls. Supports both audio and video files. Privacy-first, no upload.
Add Text to Video Online — Free Text Overlay Tool
Add custom text overlays to videos. Adjust font size, color, and rotation angle. No upload needed.
Video Denoiser Online — AI Noise Removal
Remove background noise from videos while preserving original video quality. AI-powered denoising, fully browser-based.
Convert Image Format Online — Free Image Converter
Convert between JPG, PNG, WebP and more image formats. Adjust quality and resize. No upload needed.
Convert NCM to MP3 Online — NetEase Music Decryption
Decrypt NetEase Cloud Music NCM files and convert to MP3. Supports UC and CACHE formats. Fully browser-based.
Convert QMC to MP3 Online — QQ Music Decryption
Decrypt QQ Music QMC, MFLAC, MGG and other encrypted files to MP3. Supports the full QQ Music encryption family.
Convert KGM to MP3 Online — Kugou Music Decryption
Decrypt Kugou Music KGM, KGMA, VPR encrypted files to MP3. Supports all Kugou encrypted formats.
Convert FLAC to MP3 Online — Lossless to Lossy
Convert FLAC lossless audio to MP3 format, significantly reducing file size. Customizable bitrate up to 320kbps.
Convert M4A to MP3 Online — Audio Converter
Convert M4A (AAC) audio files to MP3 format for broader device compatibility. High-quality output, fully browser-based.
Online Vocal & Accompaniment Extractor — AI-Powered Stem Separation (Spleeter & Demucs)
AI-powered vocal & accompaniment extraction. Two modes: Quick mode (Spleeter, 2 stems: vocals + accompaniment) and Pro mode (Demucs, 4 stems: vocals + drums + bass + other). Fully browser-based, no upload required.
Online Subtitle Generator — AI-Powered SRT/VTT Captions
AI speech recognition for automatic SRT/VTT subtitle generation. Powered by Whisper, runs entirely in your browser. Supports multiple languages including Chinese and English.