🔎 Upscale Image
Enlarge images 2x–4x with smooth interpolation — no upload needed
🔒 Your image never leaves your device. All processing happens locally in your browser using Canvas bilinear interpolation (high quality). No upload, no server, no tracking.
Features
- 2x–4x Upscaling — Enlarge images up to 4x their original size with smooth interpolation.
- Size Preview — See original and upscaled dimensions before downloading.
- High Quality — Uses the browser's highest-quality interpolation algorithm.
How It Works
- Upload image — Drop or select an image to upscale.
- Choose scale — Select 2x, 3x, or 4x enlargement.
- Download — Download the enlarged image as PNG.
Use Cases
- Enlarge small images for printing
- Make small icons or thumbnails larger
- Prepare low-res images for high-DPI displays
Frequently Asked Questions
Is this AI upscaling?
This uses high-quality bilinear interpolation, not AI super-resolution. It smoothly enlarges images without blocky artifacts.
Related Tools
- ↔️ Resize Image — Change image dimensions — instantly in your browser
- 🔍 Image Compare — Compare two images side by side with an interactive before/after slider
- 🖨️ Change Image DPI — Change image DPI/PPI resolution for printing — see physical print size