Crest Convert - Private File Converter

Convert HEIC and common image files locally in your browser. No uploads, accounts, limits, or watermarks.

Convert common image formats directly on your device without uploading files to a conversion server. Crest Convert supports batch image conversion, adjustable output quality and immediate downloads. Process up to 50 images at once, with all conversion code packaged inside the extension. No account, watermarks, analytics or tracking. Crest Convert does not collect or transmit file contents, filenames or browsing history.