Images are processed locally in your browser and never uploaded to any server.

Free Online Image Converter

Convert iPhone HEIC, JPG, PNG, WebP, AVIF, and BMP with 100% native quality in under 100ms. Zero server uploads, zero file limits, 100% private.

Target Format:jpg

Drag & drop images here, or browse

Uploads instantly convert only to jpg with zero delay.

Photo Library & Files
No server uploads or cloud copies
100% Original quality guaranteed
Completely free & unlimited batch use

Built for speed. Designed for complete privacy.

Most online image converters upload your personal photos to their servers and degrade quality. FastImg works entirely on your device with 100% pixel fidelity guaranteed.

100% Private — Never Uploaded

Your photos and images stay on your computer or phone. They are never sent over the internet or saved to any cloud server.

Instant & No Wait Queues

Conversions happen instantly on your device. No waiting for slow servers to finish processing your files.

Batch Convert Multiple Images

Convert between WebP, PNG, and JPG in any combination. Convert dozens of images at the same time with one click.

High Quality & Smaller File Size

Smart image compression maintains sharp detail and vibrant colors while cutting down file sizes for faster websites and sharing.

How FastImg compares to traditional converters

FeatureFastImg (In-Browser)Other Online Converters
Server Uploads Never (0 bytes uploaded)Uploaded to third-party cloud
File Size Limits No artificial limitLimited (e.g. 5MB–25MB max)
Conversion Speed InstantSlow upload + queue wait time
Photo Privacy 100% Private on your deviceStored on remote servers

Frequently Asked Questions

Everything you need to know about FastImg’s private, in-browser conversion.

Yes! Indian official portals (UPSC, SSC, Banking, State PSCs, Passport Seva, and College Admissions) mandate standard JPG or JPEG format with high quality. FastImg converts your photos and signatures to JPG, JPEG, or PNG in under 100ms with zero quality loss and 100% privacy.