security
JWT Decoder
Decode JWT header and payload safely with expiration details.
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16 tools • all categories
security
Decode JWT header and payload safely with expiration details.
Open toolencoding
Encode or decode Base64 text with copy-friendly output.
Open toolencoding
Encode and decode URL-safe text for query strings and path segments.
Open tooldata
Convert JSON to YAML and YAML back to pretty JSON safely.
Open toolsecurity
Generate deterministic hashes using MD5, SHA-1, SHA-2 algorithms.
Open tooldeveloper
Generate one or many UUID v4 identifiers with formatting options.
Open tooldeveloper
Convert Unix timestamps and ISO-8601 datetimes with UTC output.
Open tooldeveloper
Parse cron expressions and generate schedules from field values.
Open tooldata
Pretty print, minify, and validate JSON with helpful errors.
Open toolutilities
Convert between common length, weight, temperature, volume, speed, and area units.
Open toolsecurity
Check SSL certificate issuer, subject, SANs, and expiration metadata.
Open toolencoding
Generate privacy-safe QR codes in PNG or SVG format.
Open toolutilities
Convert images between common formats with strict file safety limits.
Open tooldata
Merge, split, and compress PDFs with strict privacy and limits.
Open toolsecurity
Generate strong random passwords or passphrases with policy controls.
Open tooldeveloper
Convert HEX, HEXA, RGB, and RGBA values instantly.
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