every now and then i need a clock for basic timing and things like this. having it in a browser window worked well for me.

hashes are everywhere in the digital world: checksums for file downloads, version control systems, fingerprints, password databases and verification, message authentication, digital signatures, blockchains etc. this tool lets you quickly evaluate some popular hashes in the browser. none of the data you input is sent to servers, all of it remains in your browser! it’s your data, after all.

ipv4, the internet protocol version 4, is still largely used on the internet and in private networks.

ipv4, the internet protocol version 6, is growing ever more popular. with its huge address space (more than 3.40e38 unique addresses, 1.84e19 unique networks each with 1.84e19 unique addresses) it’s going to let virtually every device, gadget, toy, appliance and many other things that don’t need to be connected be connected to the internet.

are you tired of json pretty printer tools which post your json back to some sketchy server to pretty print? look no further. it’s here. enter the json in the text field below and click on pretty please. your json data is not sent to any servers – check for yourself.