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Quick thinker Icons PNG & SVG - Page 61

Browse 4,896 different quick thinker icons in 167 unique design styles. Download quick thinker icons in PNG, SVG, PDF, or ZIP formats.

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  1. Clean solid icon of a head with an eye and three rays above. Used for mindfulness, focus, and wellness apps.
  2. Clean line icon of a head outline with an eye and three marks above it. Used for mindfulness and focus apps.
  3. Clean line icon of a head outline with an eye and three marks. Used for mindfulness and awareness apps.
  4. Vibrant hand-drawn icon of checkmarks, a checkbox, three blue lines, and a black curved outline. Used for symptom lists.
  5. Bold hand-drawn icon of checkmarks, a square, three dashes, and a curved arrow. Used for symptom lists and mental health UI.
  6. Playful creative icon of a human head silhouette containing a gear. Used for settings, profiles, and personalization.
  7. Clean duotone icon of a human head silhouette with a gear inside. Used for profile settings and personalization.
  8. Bold solid icon of a human head outline with a gear inside. Used for user settings and profile preferences.
  9. Clean line icon of a human head outline with a gear inside. Used for user settings, profile preferences, and personalization.
  10. Clean line icon of a human head outline containing a six-lobed gear. Used for user settings and profile preferences.
  11. Clean duotone icon of a brain split by a vertical line. Used for study, learning, and neuroscience.
  12. Clean line icon of a brain with a central divider and curved internal folds. Used for study, learning, and education.
  13. Bold solid icon of a brain with a scalloped border, four curved marks, and a central bar. Used for study and learning.
  14. Clean line icon of a brain with lobed contours and a central line. Used for learning, neuroscience, AI, and health.
  15. Playful creative icon of a pink split brain with black outlines. Used for AI and learning.
  16. Clean hand-drawn icon of a brain with curved lobes and inner lines. Used for learning, memory, and cognition.
  17. Playful hand-drawn icon of a brain with blue curved inner marks. Used for study, learning, and education.
  18. Playful creative icon of a yellow brain with division, plus, multiplication and check symbols. Used for maths study.
  19. Clean line icon of a brain outline with plus, minus, dots, and square-root symbol. Used for math study and learning.
  20. Rounded solid icon of brain outline with plus sign above and minus at right. Used for math study and learning.
  21. Clean line icon of a brain outline with check, plus, multiply, and divide symbols. Used for math study apps.
  22. Clean duotone icon of a brain with math symbols and a check mark. Used for math study, learning, and education.
  23. Clean line icon of a 3D box inside an irregular rounded outline. Used for 3D design, models, and user interfaces.
  24. Bold solid icon of a white 3D box with a diamond opening over a black backdrop. Used for 3D tools, boxes, and product UI.
  25. Clean line icon of a 3D cube inside a looping outline. Used for 3D objects, modeling, and product design.
  26. Clean duotone icon of a question mark inside a speech bubble. Used for help, FAQs, and support.
  27. Bold solid icon of a head profile with a question mark cutout. Used for help, FAQs, and user support.
    Free
  28. Playful creative icon of a head silhouette with a question mark. Used for help, FAQs, and user questions.
    Free
  29. Playful creative icon of a yellow question bubble with a black outline and question mark. Used for help and FAQs.
  30. Clean line icon of a speech bubble containing a question mark. Used for help, questions, and support.
  31. Clean line icon of a side-profile head outline containing a question mark. Used for help, FAQs, support, and guidance.
  32. Bold solid icon of a question mark inside a right-facing head silhouette. Used for questions, help, and support.
  34. Clean line icon of a side-profile head with a question mark and dot inside. Used for user help and support.
    Free
  35. Rounded duotone icon of three vertical sliders with curved horizontal knobs. Used for audio, filter, and adjustment controls.
  36. Playful hand-drawn icon of a quadcopter drone with four rotors around a hub. Used for AI, robotics.
  37. Hand-drawn rounded icon of four rotor circles around a central ring with curved arms. Used for AI, robotics.
  38. Clean hand-drawn icon of an airplane inside a rounded rectangle. Used for flight mode, travel, and device settings.
    Free
  39. Playful hand-drawn icon of a blue airplane inside a rounded rectangle. Used for flight mode and airplane settings.
  40. Clean hand-drawn icon of an airplane inside a rounded rectangle. Used for airplane mode, flight settings, and travel apps.
  41. Clean hand-drawn icon of an airplane inside a rounded rectangle. Used for airplane mode and device settings.
    Free
  42. Clean line icon of an assembly machine above a conveyor belt with wireless arcs. Used for factory automation and manufacturing.
  43. Sharp solid icon of a conveyor belt, rollers, signal arcs, and hexagonal link. Used for factory automation.
  44. Clean line icon of an assembly belt with robotic arm, gear and signal waves. Used for automation, factories, and conveyors.
  45. Sharp flat icon of a beanie with a rounded cap, brim, and top tab. Used for winter wear and clothing.
  46. Sharp colored solid icon of a beanie with a cuff and contrasting panel. Used for hats, winter wear, and clothing.
  47. Sharp duotone icon of a beanie with a rounded crown, top tab, and rectangular brim. Used for winterwear, clothing, and apparel.
  48. Sharp neon icon of a beanie with a rounded crown, rectangular brim, and top tab. Used for hats and winter wear.
  49. Sharp hybrid solid and line icon of a beanie with a cuff and wide brim. Used for hats, winter wear, and clothing apps.
  50. Sharp line icon of a beanie with a rounded dome, brim, and top cuff. Used for hats, winter clothing, and apparel catalogs.