The closest English equivalent would be:
* Allspice seasoning
* Seasoning blend
* Spice mix
The exact ingredients in "piffi allkrydda" can vary depending on the brand or recipe, but it typically includes a mix of common spices such as:
* Salt
* Pepper
* Garlic powder
* Onion powder
* Paprika
* Marjoram
* Thyme
You can find similar all-purpose seasoning blends in English-speaking countries under various brand names.