What Is a JWT and How to Decode One Safely
Understand the three parts of a JSON Web Token, what the claims mean, how to read the expiry time, and what decoding does not prove.
84 tools
Convert Word, Excel, PowerPoint, text and CSV, make a CV or invoice, Bijoy to Unicode, Taka in words
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Make passport photos, set picture size and KB for forms, get text out of a picture, crop, rotate and convert JPG, PNG, WebP, HEIC
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Protect or unlock, hide sensitive details, compare two files
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Calculators, health and money tools, typing tests, timers and device checks for daily life.
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Fill and sign PDF forms, visa and passport photos, screen recorder, video tools, barcodes, letters and tax calculators, all free and private.
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Developers and writers share a need for quick text utilities. These guides explain how to format and validate JSON, generate strong passwords, compare two versions of a text and convert Unix timestamps, with the reasoning behind each so that you can use the result with confidence. The tools run in your browser and your text is not uploaded.
14 guides
Understand the three parts of a JSON Web Token, what the claims mean, how to read the expiry time, and what decoding does not prove.
Make messy JSON readable, shrink it to one line and see exactly what is wrong when it will not parse. Free and private.
Learn what makes a password strong, how long it should be, and generate a random password in your browser with the free password generator.
Understand epoch time, tell seconds from milliseconds and convert any Unix timestamp to a readable date, or a date to a timestamp.
Paste two versions of a text, contract or code and see added words in green and removed words in red, line by line or word by word.