Local File Tools
Inspect, verify and transform selected files directly in your browser without uploading their contents or using downloader workers.
PNG JPEG and WebP Image Converter
Convert a browser-decodable image to PNG, JPEG or WebP entirely in your browser without uploading the selected file.
Open tool →Image Metadata Remover
Create a clean pixel-only copy that excludes EXIF and location metadata entirely in your browser without uploading the selected file.
Open tool →Dominant Color from Image
Estimate the most frequent visible color from a bounded pixel sample entirely in your browser without uploading the selected file.
Open tool →SRT to WebVTT Subtitle Converter
Convert SubRip timing syntax and headings into a WebVTT text file entirely in your browser without uploading the selected file.
Open tool →WebVTT to SRT Subtitle Converter
Convert WebVTT cue timings into a numbered SubRip subtitle file entirely in your browser without uploading the selected file.
Open tool →Subtitle Time Shift Tool
Move every valid SRT or WebVTT cue forward or backward by a fixed offset entirely in your browser without uploading the selected file.
Open tool →Subtitle Whitespace Cleaner
Normalize line endings and excess blank subtitle lines without changing cue text entirely in your browser without uploading the selected file.
Open tool →Local Text File Statistics
Count bytes, characters, words, lines and non-empty paragraphs in a text file entirely in your browser without uploading the selected file.
Open tool →Local Duplicate File Finder
Group byte-identical selected files by local SHA-256 digest entirely in your browser without uploading the selected file.
Open tool →CRC32 File Checksum Calculator
Calculate a standard CRC32 checksum for compatibility and archive checks entirely in your browser without uploading the selected file.
Open tool →Deflate File Compressor
Compress one file into a browser-native zlib-wrapped deflate stream entirely in your browser without uploading the selected file.
Open tool →Deflate File Decompressor
Restore bytes from a zlib-wrapped deflate stream entirely in your browser without uploading the selected file.
Open tool →Local Image Cropper
Crop an exact rectangle from a browser-decodable image entirely in your browser without uploading the selected file.
Open tool →Local Image Rotator
Rotate an image by a right angle without retaining source metadata entirely in your browser without uploading the selected file.
Open tool →Flip Image Horizontally or Vertically
Mirror an image across its horizontal or vertical axis entirely in your browser without uploading the selected file.
Open tool →Change Image Aspect Ratio
Fit or crop an image into a precise output canvas entirely in your browser without uploading the selected file.
Open tool →Image Color Palette Extractor
Estimate the five most frequent visible color groups in an image entirely in your browser without uploading the selected file.
Open tool →Local Image to Base64 Data URL
Encode a small image as a copyable Base64 data URL entirely in your browser without uploading the selected file.
Open tool →Local Audio Metadata Viewer
Read duration and browser-decodable audio stream properties entirely in your browser without uploading the selected file.
Open tool →Local Audio Level Analyzer
Measure peak and RMS sample levels for browser-decodable audio entirely in your browser without uploading the selected file.
Open tool →Local Audio Waveform Maker
Render an overview waveform as a downloadable PNG image entirely in your browser without uploading the selected file.
Open tool →Local Video Metadata Viewer
Inspect duration, dimensions and declared format for browser-playable video entirely in your browser without uploading the selected file.
Open tool →Local Video Thumbnail Maker
Capture a PNG still at a selected time from browser-playable video entirely in your browser without uploading the selected file.
Open tool →JPG to PNG Converter
Convert a JPEG image into a lossless PNG file entirely in your browser without uploading the selected file.
Open tool →No matching tools on this page.