# iLoveAPI > iLoveAPI provides REST APIs to process PDF files and images and to send documents for legally binding > e-signature. All APIs share one account, JWT authentication and one credit balance. Every PDF and image > tool uses the same task flow: Start → Upload → Process → Download. - PDF tools: Merge PDF, Split, Smart Split, Compress, PDF OCR, PDF to JPG, Image to PDF, Unlock PDF, Page numbers, Watermark, Office to PDF, Repair PDF, Rotate PDF, Protect, PDF to PDF/A, Validate PDF/A, HTML to PDF, Extract text, Edit PDF, AI Summarizer, PDF to Markdown, Detect Forms, Translate PDF, Organize PDF. - Image tools: Resize image, Crop image, Compress image, Upscale image, Remove background image, Convert image, Watermark image, Repair image, Rotate image, HTML to image, Blur faces. ## API reference - [REST API reference (Markdown)](https://www.iloveapi.com/docs/api-reference.md): every endpoint, parameter and tool option, with examples. - [OpenAPI 3.1 document](https://www.iloveapi.com/openapi/iloveapi.json): machine-readable specification. - [REST API reference (HTML)](https://www.iloveapi.com/docs/api-reference) ## Guides - [PDF REST API guides](https://www.iloveapi.com/docs/pdf-guides): step-by-step guides with SDK examples. - [Image REST API guides](https://www.iloveapi.com/docs/image-guides) - [Signature REST API guides](https://www.iloveapi.com/docs/signature-guides) ## Optional - [Pricing](https://www.iloveapi.com/pricing): credits per tool, plans and free monthly credits.