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> For a complete documentation index, see https://uploadcare.com/docs/llms.txt.

| **Operation**                                                       | **Syntax**                                                                 |
| ------------------------------------------------------------------- | -------------------------------------------------------------------------- |
| [Image overlay](/docs/transformations/image/overlay/#overlay-image) | `-/overlay/:uuid/` `-/overlay/:uuid/:rel_dimensions/:rel_coords/:opacity/` |
| [Self overlay](/docs/transformations/image/overlay/#overlay-self)   | `-/overlay/self/` `-/overlay/self/:rel_dimensions/:rel_coords/:opacity/`   |
| [Text overlay](/docs/transformations/image/overlay/#overlay-text)   | `-/text/:rel_dimensions/:rel_coords/:text/`                                |
| [Color overlay](/docs/transformations/image/overlay/#overlay-solid) | `-/rect/:color/:relative_dimensions/:relative_coordinates/`                |