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JWT Decoder
Decode the readable parts of a JSON Web Token.
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Online tools for Developer tools
Decode JWTs, convert timestamps, build cron expressions, test regular expressions, format code and generate technical files.
DEVELOPER TOOLSGGMET · FREE TOOLS15Tools
$0Core features are free
WEBNo software installation
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Code and formats
Developers
Unix Timestamp Converter
Convert between a Unix timestamp and a calendar date.
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Developers
Cron Expression Generator
Assemble a standard five-field cron schedule.
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Developers
UUID and ULID Generator
Create random UUIDs or timestamp-prefixed ULIDs in the browser.
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Fake Data Generator
Generate synthetic records for interface and import tests.
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Developers
Regular Expression Tester
Find regular-expression matches and their character offsets.
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Developers
SQL Formatter
Format SQL while keeping strings and query structure intact.
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YAML to JSON Converter
Convert structured data between YAML and JSON with a real parser.
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CSV to JSON Converter
Convert tabular CSV to records and JSON objects to a table.
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HTML Escape and Unescape Tool
Represent HTML-significant characters as entities or decode existing entities.
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File to Base64 Converter
Encode a file as Base64 or rebuild bytes from a Base64 string.
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URL Parameter Parser
Inspect URL components and retain repeated query parameters.
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Developers
robots.txt Generator
Create a starter robots.txt with explicit crawl rules.
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Developers
XML Sitemap Generator
Build XML sitemap entries from a list of page addresses.
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Developers
.htaccess Generator
Prepare an Apache configuration starting point for redirects and caching.
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Do I need an account?
No. Core tool features are available without registration.
Does GGMet save my files?
No. Selected files are used only to create the requested result and are not saved by GGMet.
What determines the processing limit?
The practical limit depends on the file size, the selected operation and the available memory of your device.