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Shrink a photo’s file size vs change its dimensions — which image tool do you actually need?
Format and validate JSON vs XML data, side by side.
Convert Markdown into HTML, or turn HTML back into clean Markdown — pick the right direction.
Generate strong, random passwords vs unique identifiers (UUIDs/GUIDs).
Create scannable QR codes vs traditional 1D barcodes for products and links.
Convert config and data files between YAML and JSON in either direction.
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