Use this phrase to imply something is already suitable and does not require alterations. The report looks great as it is; no further editing is required.
Pro Tip 2/3
Limiting Suggestions
You can use 'as it is' to limit the number of changes someone might consider. We should sell the house as it is instead of renovating it.
Pro Tip 3/3
Appreciating Perfection
Shows appreciation for something being perfect in its current form. Your singing voice is beautiful as it is; don't worry about the high notes.