Privacy Model100% In-Memory Sandbox · Zero Server Uploads
Format StandardsPNG, JPEG, WebP, SVG, ICO Specifications
Execution SpeedZero Network Latency · Instant Local Output
Frequently Asked Questions
What is the difference between Smooth and Crisp upscale modes?
Smooth mode applies multi-pass bicubic interpolation ideal for continuous photos, while Crisp mode preserves exact hard pixel edges for pixel art and retro sprites.
Can I enlarge very large images?
Yes, subject to your device's available browser RAM and canvas limits (typically up to 8192×8192 pixels).
Are there any subscription fees or watermarks?
Zero fees, zero subscriptions, and zero watermarks. All tools are 100% free.