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PDFops

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Fill PDF forms and merge docs on the edge

Developer ToolsAPI ToolsHosting & DeploymentEdge Computing
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Tracked since2026
0 reviews tracked

What is PDFops?

Editorial review
PDFops is a hosted HTTP API for programmatic PDF work, built to run on edge platforms such as Vercel and Cloudflare Workers. It fills AcroForm fields, text, checkboxes, dropdowns, radio groups, and option lists, and merges multiple PDFs, returning the resulting file in the response. There is no headless browser and no per-document render step, so it can be called directly from an edge function. Output is deterministic, which suits audit-sensitive workflows like tax and insurance forms.
how we evaluateSourcepdfops.dev ↗

Key Features

Fill AcroForm fields (text, checkboxes, dropdowns, radio groups, option lists) via one API callMerge multiple PDFs into a single document in a defined orderRuns on edge runtimes (Vercel Edge, Cloudflare Workers) with no headless browser dependency

Pricing Plans

Pricing checked Aug 3, 2026

Free

Free

Open beta — no signup, no API key. 100 requests/month per IP.

  • Fill AcroForm fields + merge PDFs

Pro

$16 / 4,000 calls

$0.004 per call — about 25× cheaper than typical hosted PDF APIs. API key + higher limits.

  • Deterministic fill + merge, edge-callable
Calculate your costView full pricing

Is PDFops worth the price?

95/100

The pricing for PDFops is exceptionally generous, especially the Free tier which offers 100 requests/month without signup.

The Pro tier at $0.004 per call is significantly cheaper than typical hosted PDF APIs, making it a high-value option. This pricing is best for developers and small to medium-sized businesses needing cost-effective PDF manipulation.

Hidden Costs & Gotchas

No mention of overage pricing beyond 4,000 calls

Potential rate limits on the Free tier per IP

No information on enterprise-level support costs

How PDFops Compares to Competitors

Compared to typical hosted PDF APIs, PDFops' Pro tier at $0.004 per call is about 25x cheaper. For instance, some competitors like DocRaptor or PDFTron can charge significantly more per document or API call, often starting at higher base prices or with more complex tiered structures. PDFops offers a very competitive entry point.

How PDFops's pricing compares

At $16/mo, PDFops is the most premium of its 3 direct competitors.

PDF Expert
$6.67
Smallpdf
$7
DocuSign
$10
PDFops
$16

Entry paid plan, monthly. Pricing checked Aug 3, 2026.

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Best PDFops Alternatives

Top alternatives based on features, pricing, and user needs.

DocuSign logo
DocuSignPaid

Sign, manage, and automate agreements globally

4.6
Smallpdf logo
SmallpdfFreemium

The all-in-one platform to convert, compress, edit, and e-sign PDFs with ease.

4.6
PDF Expert logo
PDF ExpertFreemium

The go-to PDF editor and reader for iPhone, iPad, and Mac, making PDF tasks easy and efficient.

4.7
See all developer tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

PDFops vs DocuSignHead-to-head: features, pricing, who winsPDFops vs SmallpdfHead-to-head: features, pricing, who winsPDFops vs PDF ExpertHead-to-head: features, pricing, who wins

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PDFops FAQ

What can the API do today?

Two operations: fill the form fields of an existing AcroForm PDF, and merge several PDFs into one. Both return the resulting PDF in the HTTP response.

Do I need to sign up to try it?

No. During beta the API is open with a cap of 100 requests per IP per month, so you can test fill and merge without authentication.

How is it different from browser-based PDF tools?

PDFops runs server-side on edge runtimes and operates on the raw PDF without rendering it in a headless browser, so it can be called directly from a Vercel or Cloudflare edge function.

Source: pdfops.dev

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