Convertify

Free Online Image Converter — HEIC, WebP, PNG, JPG, AVIF & 20+ Formats

You can upload a maximum of 10 images at a timeDrag & Drop your images here orSupported formats: HEIC, PNG, JPG, AVIF, WEBP, HEIF...

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How to Convert Images Online

  1. 1Upload your images

    Drag & drop or select up to 10 files

  2. 2Choose output format

    Select the format you need

  3. 3Convert

    Click Convert — processing is fast

  4. 4Download

    Get your converted files instantly

Supported Image Formats

HEIC

Apple photo format used by iPhone and iPad. High quality with small file size.

HEIF

High Efficiency Image Format — same as HEIC, used on Apple devices.

WebP

Modern image format by Google. Up to 30% smaller than JPG with the same quality.

PNG

Lossless format that preserves every pixel. Best for screenshots and logos.

JPG

Universal format for photos. Supported everywhere, great balance between quality and file size.

GIF

Classic format for simple animations. Supports transparency and up to 256 colors.

BMP

Uncompressed bitmap format. Maximum quality but very large file size.

TIFF

Professional lossless format used in printing and photography.

AVIF

Next-gen format with excellent compression. Up to 50% smaller than JPG.

PPM

Portable Pixmap format used in Unix/Linux environments.

HDR

High Dynamic Range format storing extended brightness data.

FITS

Flexible Image Transport System used in astronomy and science.

AVIF vs WebP vs HEIC vs JPG

Quick comparison to help you choose the right format

AVIF
  • Size: Up to 50% smaller than JPG
  • Browsers: Chrome, Firefox, Safari
  • Transparency:
  • Best for: Web performance
WebP
  • Size: 25-35% smaller than JPG
  • Browsers: All modern browsers
  • Transparency:
  • Best for: Web compatibility
HEIC
  • Size: ~50% smaller than JPG
  • Browsers: Safari only
  • Transparency:
  • Best for: iPhone storage
JPG
  • Size: Baseline
  • Browsers: All browsers & apps
  • Transparency:
  • Best for: Universal sharing

Frequently Asked Questions

Is Convertify completely free?
Yes, 100% free forever. No signup, no account, no watermarks.
Is my data safe?
Yes. Your files are processed securely and automatically deleted within 6 hours.
What is the maximum file size?
Up to 20 MB per file. You can convert up to 10 files at once.
Which format is best for web in 2026?
AVIF gives the best compression. WebP is the safest universal choice.
Should I convert HEIC from iPhone to JPG or AVIF?
JPG for maximum compatibility. AVIF for smallest file size on the web.
Does Convertify preserve transparency?
Yes. Transparency is fully preserved between PNG, WebP, AVIF and HEIC.
Why is Convertify faster than other converters?
We use Rust + libvips — one of the fastest image processing libraries in the world.

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