Server-local LANCZOS image upscaling
Images✓ Editorially reviewed
Upscale Image
Upscale images up to 4× with high-quality resampling.
Inputs .jpg, .jpeg, .png, .webpOutput .pngMaximum 1 file(s)Processing Server-local LANCZOS image upscaling
PROCESSING TRANSPARENCY
Trust center ↗Know what happens before you upload.
A temporary per-request workspace is cleaned when processing ends.
A tiny or blurry source does not suddenly become truly detailed. Upscaling increases dimensions and smooths interpolation but cannot restore information that was never present.
Compare the result at 100%, especially text, edges, and faces. For large print, evaluate real print resolution rather than pixel count alone.
Workspace
ReadyUpload your file to start
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Input—Output—Size change—Time—
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INFINITY INTELLIGENCE
A copilot that understands this tool.
Ask what a setting means, whether this is the right tool, how to recover from an error, or what to do with the result next. Infinity receives safe context from this page — not the file contents automatically.
PRACTICAL CONTEXT
What this tool is good at — and where to be careful.
When this tool makes sense
Increasing image dimensions by 2× to 4× when you need a larger canvas, using high-quality resampling rather than simple nearest-neighbor enlargement.
What the engine actually does
The tool uses Pillow with LANCZOS resampling to calculate a larger pixel grid and saves the result as PNG. This is resampling, not a generative AI model that invents new facial or text detail.
What it does not promise
A tiny or blurry source does not suddenly become truly detailed. Upscaling increases dimensions and smooths interpolation but cannot restore information that was never present.
A 20-second quality check
Compare the result at 100%, especially text, edges, and faces. For large print, evaluate real print resolution rather than pixel count alone.
Frequently asked questions
Does this use AI?
No. It uses high-quality LANCZOS resampling rather than a generative model.
How much can I enlarge?
The current scale factor is 2× to 4×.
✦Clear limits
Supported formats and limits are shown before you start.
⌁No cloud file history
Public conversions are designed around temporary request workspaces, not permanent file storage.
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