Image Format Converter - No Ads by NSP-MO

No ads, no paywall, no telemetry. It gets work done.

A clean, lightweight image conversion and compression workspace built for fast local batch processing:

Broad Format Support: Convert between WEBP, PNG, JPEG, AVIF, HEIC, BMP, ICO, GIF, SVG, and TIFF.
Batch & Folder Import: Drag and drop multiple files, import entire folders, or paste images directly from clipboard (Ctrl+V).
Quality & Compression Tuning: Adjust compression quality levels with real-time file size savings calculation.
Resolution Scaling: Scale images by percentage or define custom pixel dimensions with aspect ratio preservation.
Transparency & Matte: Preserve alpha channel transparency or apply clean background matte fills (White, Black, Dark).
Built-in Preview: Inspect and compare original vs converted images directly in the workspace.
Zero Clutter: Runs completely inside your browser engine. No background tracking, no account sign-ups, and no paywalls.
Flexible Export: Download converted images individually or export entire batches into a single ZIP archive.