Documents & Productivity — entry 007 of 31
CloudConvert
CloudConvert is a job-based file-conversion platform spanning audio, video, image, document, ebook, spreadsheet, presentation, and archive formats, plus utility tasks like merging, watermarking, and thumbnailing. The v2 REST API authenticates with Bearer API keys or OAuth2, offers regional EU/US endpoints, and includes a free sandbox mode for testing without consuming conversion credits.
AuthenticationAPI KeySign up with the provider to obtain credentials.
HTTPSSupportedTraffic is encrypted in transit.
CORSEnabledCallable directly from browser JavaScript.
PricingFreemiumA usable free tier exists, with paid plans for more volume.
FormatsJSON, MP4, MP3, PDF, DOCX, XLSX, PPTX, JPG, PNG, ZIP, EPUBResponses can be requested as JSON or MP4 or MP3 or PDF or DOCX or XLSX or PPTX or JPG or PNG or ZIP or EPUB.
GreatAPIs Score
Score81
Authentication15/25API key required
Pricing17/20Freemium tier available
Docs14/20Documentation URL provided
Formats15/15Supports 11 response formats
Freshness20/20Verified within 6 months
Auth quickstart
- Sign up with the provider to get an API key.
- Send it on every request as a header
Authorization: <key> - The exact header isn't documented — Authorization is a common default; confirm in the provider's docs.
Stored keyNo key stored
Your key is stored only in this browser (localStorage) and sent directly to the API — never to greatapis.