The growth in the number and variety of portable printers has also been spurred by the huge number of portable devices-whether laptops, tablets, or smartphones-with which you can view documents or photos. Whether you need to print contracts, invoices, reports, or photos, you can find one that will do the job, and be convenient enough to take with you anywhere you may need it. But, like so many other technology products, printers have gotten ever smaller and lighter, and plenty of viable choices for portable printers have appeared in recent years. Big and bulky printers don't make good travel mates.