Data
CSV Cleaner & Data Checker
Clean CSV or Excel files locally: trim whitespace, normalize headers, flag empty cells, and remove exact duplicates.
Use →FAST · PRIVATE · PRACTICAL
Useful tools. Zero setup.
Clean data, create structured content, or take a quick brain break—right in your browser.
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Tools
SEO
JSON-LD Schema Generator
Build valid Article, Product, LocalBusiness, or Organization structured data without uploading content.
Use →Writing
Text Case Converter
Convert text between title, sentence, camel, snake, kebab, and constant case with instant counts.
Use →Memory
Orbit Match
Train sequence memory by repeating a growing pattern of original orbit signals.
Play →Puzzle
Moon Grid
Solve a touch-friendly 15-tile sliding number puzzle in the fewest moves.
Play →Reflex
Signal Sprint
Test reaction speed and accuracy while ignoring decoy signals.
Play →Private by design
Files and text stay on this device. No account is required.
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Each tool points to a practical guide, a short FAQ, and a useful next step.GuidesCSV FAQJSON-LD FAQ
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