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Build website palettes, look up HEX and RGB values, test text contrast and create QR codes with free design tools.

Inspect JSON and JWTs, convert data to CSV, test regex patterns, encode text, generate identifiers and debug Unix timestamps.

Organize and compress PDFs, convert and compress images, assemble image PDFs, add signatures and inspect metadata.

Count words and characters, preview search snippets and generate crawler rules for writing and website publishing tasks.