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JSON Web Tokens

Screenshot of jwt.io captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 5 calendar years, with breakout response in 2 of them.

submissions
7
submitters
7
observed span
2014–2020
peak thread · 74 comments
467 pts
latest 20+ return · 2020-05-26
128 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I think writing your own variation of this at one point is a sort of rite of passage for web developers. I thought I was so clever with my custom PHP framework and sessionless backend. That said, it's done because it works well and makes sense. I'm glad to see we're finally settling on a recommended way of doing this. I've recently incorporated JWTs into my own application. One of the questions I'd like to ask other HNers is how…

iLoch·467-point thread·

If you want to avoid pasting tokens in online tools (right now it looks like they don't send out / record anything, but as a general practice, pasting sensitive tokens in online tools is probably not the best idea) Then this one liner in the browser console can be used for most purposes: JSON.stringify(JSON.parse(atob(TOKENHERE.split('.')[1])), null, 2);

Interesting. How do you use this?

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
607

reference only — not used in Hall rules or ranking

Total comments
117

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2014-04-15JSON Web Token (JWT) live encoder/decoderthepose10
2014-07-21JSON Web Tokens_pius51
2014-09-08JSON Web TokensFirst breakout · Best threadadamnemecek46774
2015-04-16JSON Web Token: Claims encoded as a JSON object that is digitally signedlobo_tuerto20
2016-03-30JSON Web Tokens – jwt.ioSkyRocknRoll30
2019-04-09JSON Web Token Debuggersherlockedgame10
2020-05-26JWT (JSON Web Token) debuggerHall induction · Latest 20+ point returntosh12842