1. Thanks
  2. Many thanks
  3. Thanks a million
  4. Thank you very much
  5. I appreciate it
  6. I’m grateful
  7. I owe you one
  8. You’re a lifesaver
  9. You’ve been so kind
  10. I can’t thank you enough
  11. You’ve made my day
  12. You’re amazing
  13. You’re the best
  14. You’re a star
  15. I’m in your debt
  16. My sincerest thanks
  17. I’m beholden to you
  18. I can never repay you
  19. You’ve been a huge help
  20. You’ve been so generous
  21. I’m deeply thankful
  22. You’re a true friend
  23. You’re a gem
  24. I’m touched by your kindness
  25. You’ve gone above and beyond
  26. You’ve made a difference
  27. You’re a real blessing
  28. You’ve lightened my load
  29. You’re a godsend
  30. You’ve been wonderful
  31. I’m filled with gratitude
  32. I’m deeply indebted
  33. You’re a superstar
  34. You’ve done me a great service
  35. You’re my hero
  36. You’re irreplaceable
  37. I’m lucky to know you
  38. I can’t express my thanks enough
  39. You’re one in a million
  40. You’re a gift
  41. You’re invaluable
  42. I’m so thankful
  43. You’re a true champion
  44. You’ve made my life easier
  45. You’re fantastic
  46. I’m thankful from the bottom of my heart
  47. You’re a rare find
  48. You’re a legend
  49. You’re a rockstar
  50. You’re top-notch
  51. You’re incredible
  52. I couldn’t have done it without you
  53. I’m moved by your kindness
  54. You’re the best of the best
  55. You’re a true professional
  56. I’m in awe of your generosity
  57. You’re outstanding
  58. You’re a master
  59. You’re remarkable
  60. You’re a wizard
  61. You’re exceptional
  62. You’re a miracle worker
  63. I’m forever grateful
  64. You’re unparalleled
  65. You’re exceptional
  66. I’m beholden to you
  67. I’m thankful for your support
  68. You’re a saint
  69. You’re a genius
  70. You’re a virtuoso
  71. You’re exemplary
  72. You’re an angel
  73. You’re a magician
  74. You’re phenomenal
  75. You’re a phenomenon
  76. You’re awe-inspiring
  77. You’re a wonder
  78. You’re a genius
  79. You’re a wizard
  80. You’re magnificent
  81. You’re a treasure
  82. You’re a maestro
  83. You’re a legend
  84. You’re a champ
  85. You’re a guru
  86. You’re a guide
  87. You’re a role model
  88. You’re a mentor
  89. You’re an expert
  90. You’re a hero
  91. You’re a mastermind
  92. You’re a trailblazer
  93. You’re an inspiration
  94. You’re a legend
  95. You’re a virtuoso
  96. You’re a beacon
  97. You’re a hero
  98. You’re a star
  99. You’re a luminary
  100. You’re a credit to humanity

Use these phrases to express your appreciation in various situations and to add a personal touch to your thank-yous.