Simple Image Converter — HEIC, WEBP, AVIF, PNG, JPG, PDF
Batch-convert images between HEIC, AVIF, WebP, PNG, JPG, TIFF, BMP, ICO, and PDF. Drag in files or folders, pick a format, click Convert. Runs 100% offline which means no uploads, no accounts, no watermarks, no subscription. iPhone HEIC photos open out of the box. Windows and SteamOS.
- Release date
- September 1, 2026
- Platforms
- Windows, Linux
- Developer
- Marduk Syndicate
- Publisher
- Marduk Syndicate

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About Simple Image Converter — HEIC, WEBP, AVIF, PNG, JPG, PDF
Turn a pile of images into exactly the format you need. Drop in files or whole folders, pick a format, click Convert — done. No uploads, no accounts, no watermarks, no subscription. Every format that mattersOpens: HEIC/HEIF, AVIF, WebP, PNG, JPG/JFIF, BMP, TIFF, GIF, SVG, ICO, PDFSaves: JPG, PNG, WebP, TIFF, BMP, ICO, PDFiPhone photos just workHEIC opens out of the box — no codec packs, no browser extensions, no sketchy websites. Convert a phone's worth of photos to JPG in one go, with orientation handled correctly every time.
Built for big batchesDrop 500 files at once. Conversions run in parallel with live progress, and a problem file never kills the batch — it's skipped with a plain-English reason while everything else finishes.PDF, both directionsExport PDF pages as images at 150–600 DPI, a page range or the whole document. Or go the other way: combine scans and photos into a single PDF. Make real iconsTurn any image into a proper multi-resolution Windows ICO (16 to 256 pixels) — ready for apps, shortcuts, and favicons.
Private by designEverything runs on your machine. The app makes zero network connections — your images never leave your computer. Location data and other metadata (EXIF/GPS) are stripped from output by default, so sharing a converted photo doesn't share where you took it. Simple on purposeOne window.…
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