Current privacy posture
No account. No database. Current tools are designed to run in your browser, and optional pageview analytics are disabled by default.
KoguNavi
A quiet toolbox for everyday text and data.
Format JSON, preview Markdown, convert timestamps, and clean up small snippets — right in your browser.
Today’s tiny tools
A few quick places to start when a snippet needs a little care.
Markdown Live Preview
Write Markdown on one side and preview the rendered page on the other, locally in your browser.
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JSON Formatter
Format, validate, and beautify JSON locally in your browser.
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Unix Timestamp Converter
Convert Unix timestamps and date/time values locally.
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Small break
Typing practice
A quiet one-minute typing break with short Shakespeare passages.
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Writing & Markdown
For notes, docs, tables, and text length checks.
Markdown Live Preview
Write Markdown on one side and preview the rendered page on the other, locally in your browser.
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Markdown Table Generator
Build Markdown tables from an editable local grid.
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Character / Word Counter
Count characters, words, lines, and UTF-8 bytes for multilingual text.
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Developer cleanup
Format, decode, and review small technical snippets.
Date, ID & hash
Small helpers for timestamps, identifiers, and checksums.
Open tool data
Open tool data is available through tools.json and llms.txt.