Format converters with no upload

Each converter decodes and re-encodes the file inside your browser. Nothing is sent to a server, so conversions are instant and private, and they keep working without a connection.

• HEIC to JPG Make iPhone photos open everywhere. Your pictures are decoded on your own device and never uploaded. • HEIC to PNG Get a lossless PNG from an iPhone HEIC image without any further compression, and without uploading it. • WebP to JPG Saved an image from the web and got a .webp you cannot use? Convert it to JPG on your own device. • WebP to PNG Keep transparency and every pixel: turn WebP graphics into PNG files on your own device. • PNG to WebP Cut image weight on your site by converting PNGs to WebP, transparency included, on your own device. • JPG to WebP Serve lighter photos on your website or blog by converting JPG to WebP on your own device. • PNG to JPG Bring a 10 MB PNG down to a few hundred kilobytes without sending it anywhere. • JPG to PNG Get a lossless PNG copy of any JPG without uploading it anywhere. • AVIF to JPG AVIF is small but not yet supported everywhere. Convert it to JPG on your own device. • AVIF to PNG Turn AVIF into a universally supported, lossless PNG without sending the file anywhere. • SVG to PNG Turn a vector into a sharp bitmap for platforms that do not accept SVG, without sending it anywhere. • CSV to JSON Turn spreadsheet exports into JSON for APIs, scripts and config files, without your data leaving the page. • JSON to CSV Turn API responses and exports into a spreadsheet-ready CSV without your data leaving the page. • SRT to VTT Make SubRip captions work in the browser's video element and web players, without uploading them. • VTT to SRT Turn web captions into the SubRip format that almost every player and editor accepts, on your own device. • Markdown to HTML Write in Markdown, paste the HTML anywhere. Rendered locally, so your draft stays on your device. • EPUB to text Pull the words out of an ebook for reading, searching, note-taking or text-to-speech, without sending the book anywhere.