Photoshop Color Tone Correction

I have a batch of well over ten images that all suffer from the same issue: the tones are slightly off and don’t look consistent when placed side-by-side. I only need color work—no background removal or object retouching—so the task focuses on subtle but accurate adjustments inside Photoshop... (Budget: $10 - $30 USD, Jobs: Color Grading, Graphic Design, Image Analysis, Image Processing, Photo Editing, Photoshop, Photoshop Design)