Toolfik Public API v1 Free. Keyless. 100 requests / IP / day per endpoint. Please credit toolfik.com in your app or documentation. Endpoints: POST /api/v1/hash Hash text (sha-256 default) POST /api/v1/base64 Base64 encode / decode POST /api/v1/url-encode URL percent encode / decode POST /api/v1/slug Text → URL slug GET /api/v1/uuid?n=5 Generate v4 UUIDs POST /api/v1/word-count Words / chars / sentences / reading time POST /api/v1/case-convert UPPER / lower / Title / camelCase / snake_case / kebab-case / ... # AI-powered (Claude Sonnet 4.5, higher cost — please cache): POST /api/v1/extract-transactions PDF bank statement → array of transactions POST /api/v1/extract-invoice PDF invoice → structured invoice object POST /api/v1/extract-receipt Receipt photo / PDF → structured receipt object GET /api/openapi.json Full OpenAPI 3.1 spec GET /api This overview Quick example: curl -X POST https://toolfik.com/api/v1/hash \ -H "Content-Type: application/json" \ -d '{"text":"hello world","algorithm":"sha-256"}' Docs: https://toolfik.com/api