KKitForma.alpha

Language

EnglishEnglishTürkçeTurkishDeutschGermanBack to toolsEspañolSpanishBack to toolsFrançaisFrenchBack to toolsPortuguêsPortugueseBack to toolsItalianoItalianBack to toolsNederlandsDutchBack to toolsPolskiPolishBack to toolsРусскийRussianBack to toolsУкраїнськаUkrainianBack to toolsSvenskaSwedishBack to toolsNorskNorwegianBack to toolsDanskDanishBack to toolsSuomiFinnishBack to toolsČeštinaCzechBack to toolsRomânăRomanianBack to toolsΕλληνικάGreekBack to toolsالعربيةArabicBack to toolsעבריתHebrewBack to toolsفارسیPersianBack to toolsاردوUrduBack to toolsहिन्दीHindiBack to toolsবাংলাBengaliBack to toolsதமிழ்TamilBack to toolsతెలుగుTeluguBack to toolsमराठीMarathiBack to toolsગુજરાતીGujaratiBack to tools简体中文Chinese SimplifiedBack to tools繁體中文Chinese TraditionalBack to tools日本語JapaneseBack to tools한국어KoreanBack to toolsTiếng ViệtVietnameseBack to toolsไทยThaiBack to toolsBahasa IndonesiaIndonesianBack to toolsBahasa MelayuMalayBack to toolsFilipinoFilipinoBack to toolsKiswahiliSwahiliBack to toolsAfrikaansAfrikaansBack to toolsMagyarHungarianBack to toolsБългарскиBulgarianBack to toolsHrvatskiCroatianBack to toolsSrpskiSerbianBack to toolsSlovenčinaSlovakBack to toolsSlovenščinaSlovenianBack to toolsLietuviųLithuanianBack to toolsLatviešuLatvianBack to toolsEestiEstonianBack to toolsCatalàCatalanBack to toolsEuskaraBasqueBack to tools
WORKS IN YOUR BROWSER

JWT Decoder

Inspect the header and payload of a three-part JSON Web Token.

Free. No account needed.

Inputs are processed on your device. Check results before using them.

Result

Enter your values. Your result will appear here.

How it works

  1. Paste a three-part signed-token format.
  2. Read its JSON header, payload, and any timestamp claims.

Example & practical use

A JWT → decoded header and payload JSON

What to know

Decoding does not verify the signature, issuer, audience, or validity. Five-part encrypted tokens are unsupported. Treat all decoded claims as untrusted. Inputs are limited to 200,000 UTF-16 code units. Text is processed locally.

Are my files or inputs uploaded?

Image and text processing happens in your browser. Your files are not uploaded to our servers.

Found an issue?

We are improving this alpha release. Tell us the tool, your device and the expected result through the contact page. You do not need to share private inputs or original files. Contact

A few more useful tools

QR code generator

Make a downloadable QR code for a link or text.

JSON Formatter

Validate JSON and format it with consistent indentation.

JSON Minifier

Validate JSON and remove unnecessary formatting whitespace.

CSV to JSON

Convert a header-based CSV table into an array of JSON objects.