Local File Tools
Inspect, verify and transform selected files directly in your browser without uploading their contents or using downloader workers.
PNG to JPG Converter
Flatten a PNG image onto white and encode it as JPEG entirely in your browser without uploading the selected file.
Open tool →JPG to WebP Converter
Re-encode a JPEG image as a compact WebP file entirely in your browser without uploading the selected file.
Open tool →PNG to WebP Converter
Re-encode a PNG image as a compact WebP file entirely in your browser without uploading the selected file.
Open tool →WebP to JPG Converter
Flatten a WebP image onto white and encode it as JPEG entirely in your browser without uploading the selected file.
Open tool →WebP to PNG Converter
Convert a WebP image into a lossless PNG file entirely in your browser without uploading the selected file.
Open tool →BMP to JPG Converter
Encode a browser-readable BMP image as a smaller JPEG file entirely in your browser without uploading the selected file.
Open tool →BMP to PNG Converter
Encode a browser-readable BMP image as a lossless PNG file entirely in your browser without uploading the selected file.
Open tool →GIF First Frame to PNG Converter
Extract the browser-decoded first GIF frame into a PNG image entirely in your browser without uploading the selected file.
Open tool →GIF First Frame to JPG Converter
Extract the browser-decoded first GIF frame onto white as a JPEG image entirely in your browser without uploading the selected file.
Open tool →Local Audio Trimmer
Keep an exact time range from browser-decodable audio and export PCM WAV entirely in your browser without uploading the selected file.
Open tool →Local Audio Volume Changer
Apply an explicit volume percentage and export the adjusted samples as PCM WAV entirely in your browser without uploading the selected file.
Open tool →Local Peak Audio Normalizer
Normalize audio peak level to a selected decibel target and export PCM WAV entirely in your browser without uploading the selected file.
Open tool →Local Audio Fade-In Maker
Apply a linear fade from silence over a chosen opening duration entirely in your browser without uploading the selected file.
Open tool →Local Audio Fade-Out Maker
Apply a linear fade to silence over a chosen ending duration entirely in your browser without uploading the selected file.
Open tool →Local Reverse Audio Tool
Reverse decoded audio samples while preserving channel count and sample rate entirely in your browser without uploading the selected file.
Open tool →Local Stereo to Mono Converter
Mix all decoded channels into one mono PCM WAV track entirely in your browser without uploading the selected file.
Open tool →Local MP3 to WAV Converter
Decode a browser-supported MP3 file and export uncompressed PCM WAV entirely in your browser without uploading the selected file.
Open tool →Local FLAC to WAV Converter
Decode browser-supported FLAC audio and export interoperable PCM WAV entirely in your browser without uploading the selected file.
Open tool →Local Mono to Stereo Converter
Duplicate one decoded mono channel into a two-channel PCM WAV file entirely in your browser without uploading the selected file.
Open tool →Local Audio Speed Changer
Change playback speed and duration with transparent pitch-changing resampling entirely in your browser without uploading the selected file.
Open tool →Local Audio Sample Rate Converter
Resample browser-decodable audio to a chosen PCM WAV sample rate entirely in your browser without uploading the selected file.
Open tool →Local Audio Metadata Remover
Decode audio and create a fresh PCM WAV containing samples without source tags or cover art entirely in your browser without uploading the selected file.
Open tool →Local Audio Spectrogram Maker
Render a bounded frequency-over-time overview as a downloadable PNG image entirely in your browser without uploading the selected file.
Open tool →Local Video Contact Sheet Maker
Capture evenly spaced frames from a browser-playable video into one labeled PNG sheet entirely in your browser without uploading the selected file.
Open tool →No matching tools on this page.