Developer Tools
JSON Formatter
Format, minify, validate, and copy JSON without leaving the browser.
Developer Tools
Developer tools on Tenshio Tools focus on clean, quick workflows such as UUID generation, timestamp conversion, JSON and CSV conversion, JWT inspection, regex testing, and lightweight previews.
Included Tools
Tools in Developer Tools
Generate IDs, inspect data, and test developer-friendly content directly in the browser.
Developer Tools
UUID Generator
Generate one or many random UUID v4 values directly in the browser.
Developer Tools
Timestamp Converter
Convert Unix timestamps to readable dates and turn dates back into timestamps.
Developer Tools
JSON Minifier
Minify JSON and validate syntax before copying compact output.
Developer Tools
CSV to JSON Converter
Turn CSV rows into structured JSON arrays with header-based keys.
Developer Tools
JSON to CSV Converter
Convert JSON arrays into CSV rows with generated headers and export-ready output.
Developer Tools
JWT Decoder
Decode JWT headers and payloads to inspect claims without verifying signatures.
Developer Tools
Regex Tester
Test regular expressions against sample text with flags, match counts, and group details.
Developer Tools
URL Parser
Break a URL into protocol, host, path, query, hash, and search parameters.
Developer Tools
HTML Preview
Preview HTML and inline CSS in a sandboxed browser frame.
Developer Tools
CSS Minifier
Minify CSS by removing comments and extra whitespace for compact output.
Developer Tools
XML Formatter
Format and pretty-print XML with indentation and parser feedback in the browser.
Developer Tools
YAML to JSON
Convert YAML into formatted JSON directly in the browser.
Developer Tools
JSON to YAML
Convert JSON into YAML for config files and human-readable structured output.
Developer Tools
SHA256 Generator
Generate SHA-256 hashes from text or uploaded files directly in the browser.
Developer Tools
MD5 Generator
Generate MD5 hashes for quick checksums and legacy compatibility workflows.
Developer Tools
Decimal to Binary
Convert decimal integers into binary with hex and octal helpers included.
Developer Tools
Binary to Decimal
Convert binary strings into decimal values with hex and octal helpers.
Developer Tools
Meta Tag Generator
Generate HTML meta tags for titles, descriptions, canonical URLs, and robots directives.
Developer Tools
Open Graph Generator
Generate Open Graph and social sharing tags for cleaner link previews.
Developer Tools
Robots.txt Generator
Generate robots.txt rules for crawlers, sitemap references, and indexing control.
Developer Tools
Sitemap Generator
Generate XML sitemaps from URLs or relative paths directly in the browser.