ImgBolt

Image Format Converter

Convert images between formats instantly. Most conversions happen right in your browser — your files stay private.

Which Image Format Should I Use?

Each image format has strengths and trade-offs. Use this table to decide which format to convert to based on your specific needs.

FormatTypeTransparencyBrowser SupportBest For
JPGLossyNoAllPhotos, email, sharing, printing
PNGLosslessYesAllScreenshots, logos, graphics, design
WebPBothYesAll modernWeb images — 25-35% smaller than JPG
AVIFBothYesChrome, Firefox, Safari 16+Maximum compression — 50% smaller than JPG
HEICLossyYesSafari onlyiPhone/iPad photos (convert for sharing)
SVGVectorYesAllLogos, icons, illustrations (scales to any size)
GIFLosslessLimitedAllSimple animations, legacy compatibility
TIFFLosslessYesNonePrint, scanning, archival
BMPUncompressedNoLimitedLegacy Windows — convert to PNG or JPG

Quick Decision Guide

  • Need universal compatibility? Convert to JPG. Every device, browser, and app supports it.
  • Need transparency? Convert to PNG (lossless) or WebP (smaller files).
  • Optimizing for web speed? Convert to WebP (broad support) or AVIF (best compression, newer browsers).
  • Got HEIC from iPhone? Convert to JPG for sharing or PNG for editing.
  • Need a scalable logo? Use our AI vectorizer to convert to SVG.

How Browser-Based Conversion Works

Most conversions on ImgBolt happen entirely in your browser using WebAssembly-powered image processing. Your files are never uploaded to a server — they stay on your device from start to finish. This means faster processing (no upload/download wait), complete privacy, and no file size limits imposed by server constraints.

Simply select a conversion above, upload your file, and download the result. No account, no signup, no watermarks.