Quietforge Docs API – Document Format Converter

x402

Quietforge Docs API – Document Format Converter is a paid API for AI agents from qf-api.quietforge-studio.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-11).

Converts documents between formats (e.g. DOCX→PDF, HTML→XLSX, ODT→CSV) by accepting a base64-encoded file or public URL and returning the converted file as base64

Price / call$0.02

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StatusUnknown

How this service works

Pay-per-call document conversion, PDF text extraction, headless-browser rendering of a URL or HTML to PNG / JPEG / PDF, a health-probed directory of x402 pay-per-call endpoints, a sudoku generator (solver-verified, technique-graded puzzles as JSON or a print-ready A4/Letter book), a book typesetter (prose manuscript to a KDP-ready interior PDF + editable docx), a crossword generator (verified freeform grid from your clue/answer pairs as JSON or print-ready PDFs), a family tree chart layout engine (descendant / ancestor / hourglass charts from people+families JSON or a GEDCOM file, as verified layout JSON or print-ready poster and tiled PDFs), and a dataset quality audit tool (duplicates, missing values, type consistency, class imbalance, numeric outliers and PII-pattern counts for a CSV/JSON dataset, as JSON or a one-page PDF summary). Payment: x402 (USDC on Base). No signup, no API key.

Output

A JSON object containing the converted file as a base64-encoded string (content_base64), the output filename, MIME content type, file size in bytes, and page count where applicable.

Example use cases

DOCX to PDF for email attachment

“I need to send this Word document as a PDF — take 'proposal.docx' (I'll give you the base64) and convert it to PDF so I can attach it to an email.”

CSV to Excel for stakeholder sharing

“Can you convert this CSV file to an XLSX spreadsheet? The file is called 'sales_data.csv' and I'll paste the base64 — my client only uses Excel.”

HTML to DOCX for editing

“I have an HTML file at https://example.com/article.html that I want to be able to edit in Word — can you convert it to a DOCX for me?”

Technical details

Endpoint

POSThttps://qf-api.quietforge-studio.workers.dev/v1/convert?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need lightweight, pay-per-call document format conversion with no signup or API key, especially for one-off or low-volume conversions across common office formats (DOCX, PDF, XLSX, PPTX, ODT, CSV, HTML, TXT). It's ideal for agents that need to transform documents on-demand without provisioning a dedicated conversion service. Prefer it when the source is a public URL or a base64-encoded file under 15 MB and the target format is one of the supported enums.

Side effects

Unsupported source format: the source file extension is not among the accepted input types, returning a 4xx error
File too large: base64-encoded content exceeds the 15 MB limit
Unreachable URL: the provided public URL is inaccessible or returns a non-200 response
Invalid base64: malformed base64 content_base64 input
Payment failure: x402 USDC payment on Base not completed, returning 402
Conversion error: the underlying conversion engine fails for a malformed or corrupted source file

Input

Schema · Request body

Field	Type	Description
to	string	Target format (default pdf; png = first page render)
url	string	Public https URL of the file to fetch instead of content_base64
filename	string	Original filename with extension (docx, doc, odt, rtf, txt, md, html, xlsx, xls, ods, csv, pptx, ppt, odp)
content_base64	string	File bytes, base64 (max 15 MB). Either this or url.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "bytes": 48210,
    "pages": 3,
    "filename": "report.pdf",
    "content_type": "application/pdf",
    "content_base64": "JVBERi0xLjcK..."
  }
}

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