Tools
- How I create and check HMAC signatures for API requests
HMAC proves that a message was created by someone who knows the shared secret, and that the signed message has not changed. The HMAC Generator tool gives me a safe place to test the idea before I put it into a script, …
- How I create ASCII art text for terminal-friendly banners
ASCII art text can be useful for terminal banners, README sections, demos, or playful command-line output. The ASCII Text tool handles the repetitive part so I can focus on checking whether the result makes sense.
- How I create SVG placeholder images for layouts
SVG placeholders help reserve layout space before final images are ready. I use SVG Placeholder for the quick version of this task, then I review the output before relying on it.
- How I create WhatsApp click-to-chat links
A WhatsApp click-to-chat link opens a conversation with a number and can include a prefilled message. The WhatsApp Link Generator tool handles the repetitive part so I can focus on checking whether the result makes …
- How I debug CORS without guessing
CORS errors are frustrating because the browser often shows a scary message, but the real cause is usually a small missing header. You may see something like this in the browser console:
- How I decode Outlook SafeLinks before clicking a suspicious URL
Outlook SafeLinks wrap a destination URL inside a Microsoft protection URL. Decoding helps reveal where the link wants to go. The SafeLink Decoder tool helps with the mechanical part, but I still check the result before …
- How I edit HTML visually and export clean markup
A small HTML editor is useful when I want formatted content but still need to inspect or export the markup. I use HTML Editor for the quick version of this task, then I review the output before relying on it.
- How I escape HTML entities before showing text on a page
HTML entities let text contain characters like <, >, and & without the browser treating them as markup. The HTML Entities tool helps with the mechanical part, but I still check the result before using it …
- How I estimate finish time from current progress
An ETA is an estimate based on current progress and speed. It is useful, but it depends on the assumption that the pace stays similar. The ETA Calculator tool handles the repetitive part so I can focus on checking …
- How I estimate Indonesian take-home pay from gross salary
Take-home pay is not the same as gross salary. Deductions such as tax and BPJS can change what actually arrives in the bank account. I use Take-Home Pay Calculator for the quick version of this task, then I review the …