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API notes, product explainers and advice that fits no single tool — the questions that come up across the whole PDF toolkit.

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General

What Our PDF API Exposes — Credits and Limits

A short, honest API surface beats a long list of routes that cannot finish the job. Here is what is live, what is free, and why signing stays in the browser.

13 Oct 2026 · 3 min read

Standards and sources: PDF parsing and writing follow the open PDF specification, documented in the Library of Congress format registry; the interface follows WCAG 2.2 (W3C). Rifinit is independent of both organisations.

By the Rifinit team. We build, test and document these PDF tools in-house: every guide is written by the same engineers who work on the converters, the editor and the OCR pipeline. Meet the team. Last reviewed 29 October 2026. Read our privacy policy and terms.

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