The fastest QR code generator for most jobs is one that runs in your browser: paste a URL or some text, press Generate, and download the image. AyeTab's free QR Code Generator works exactly that way, with no account and nothing sent to a server.
The best crontab guru alternative for most developers is the AyeTab Cron Parser: type a cron expression and it tells you, in plain English, what the schedule means and when it will next run. It is free, needs no account, and does all of its work inside your browser tab.
The quickest UUID generator for most developers is one that is already open: AyeTab's UUID generator makes random version 4 UUIDs in your browser, free, with no account. Pick how many you want, press Generate and copy the result; nothing goes to a server.
A JWT decoder turns the three dot-separated parts of a JSON Web Token back into readable JSON, so you can see who the token is for, what it allows and when it runs out. The AyeTab JWT Debugger does that for free in your browser, and the token you paste stays on your device.
To remove white background from image files, open the free AyeTab Background Remover, drop the picture in, and download the result as a transparent PNG. The colour keying runs on your own device, so the image is never uploaded and you do not need an account.
To Base64 decode a string, you map each group of four Base64 characters back to the three bytes they stand for, then read those bytes as text or save them as a file. The AyeTab Base64 Encode/Decode tool does that free in your browser: paste the string, read the text, and nothing is uploaded.
A favicon generator takes one image, usually your logo, and turns it into the set of small icons browsers, phones and search engines look for. The AyeTab Favicon Generator does it free in your browser: drop in an image and download the favicon.ico, the PNG sizes, the Apple touch icon, a web…
To turn a curl command into Python, paste it into the free AyeTab cURL to Code converter, pick Python, and copy the result. You get a short script that uses the requests library, built in your browser without the command ever leaving your machine.
A SHA256 hash generator turns any text into a fixed 64-character fingerprint, and the same input always gives the same result. The free AyeTab Hash Generator does this in your browser, with no upload and no account, and also gives you MD5, SHA-1 and SHA-512 from the same input.
To convert YAML to JSON, paste the YAML into a converter that parses it and writes the same data back out as JSON objects and arrays. The free AyeTab YAML to JSON tool does this in your browser tab, works in both directions, and never uploads what you paste.
A Unix timestamp converter turns a number like 1700000000 into a date you can read, and turns a date back into that number. The free AyeTab Unix Time Converter shows seconds, milliseconds, ISO 8601, UTC, your local time and a relative time from one input, and it does the work in your browser.
A regex tester lets you type a regular expression, paste some sample text and see right away what the pattern matches. The AyeTab RegExp Tester does this free in your browser, highlighting each match as you type, and the text you test never leaves your machine.