ConvertAPI

Paid Web

What ConvertAPI is

ConvertAPI is a paid file-conversion service available on the web and through an API. It supports batch conversion and OCR conversion. Listed targets include DOCX to PDF, PDF to DOCX, PDF to HTML, PDF to JPG, PDF to PNG, and PDF to PPTX. Its plans specify different conversion allowances, file-size limits, concurrency, and support options. Developer includes 12,000 conversions, a 200 MB maximum file size, one concurrent conversion, self-guided onboarding, and flexible consumption. Startup lists 60,000 conversions, 300 MB, two concurrent conversions, signed NDA and DPA, email support, and flexible consumption. Growth lists 180,000 conversions, 500 MB, three concurrent conversions, signed NDA and DPA, email and live-chat support, and flexible consumption. Business lists 600,000 conversions, 1 GB, four concurrent conversions, signed NDA and DPA, and email, chat, and video-call support. Enterprise has custom pricing, dedicated private servers, a guaranteed 99.95% SLA, single sign-on, 24/7/365 emergency support, and custom feature requests. ConvertAPI is headquartered in Vilnius, Lithuania.

Who it suits

It suits people and teams that need file conversion through a web interface or API, including batch and OCR conversion. The plan details may help match file sizes, conversion volume, concurrency, and support needs.

What it does well

Web and API access
Supports batch and OCR conversion
Plans list conversion and concurrency allowances
Enterprise includes dedicated private servers

What to know first

No free plan
Developer allows one concurrent conversion

Plans

Plan	Billed and limits	Price
Developer	12,000 conversions · 200 MB maximum file size · 1 concurrent conversion · Self-guided onboarding · Flexible consumption	On request
Startup	60,000 conversions · 300 MB maximum file size · 2 concurrent conversions · Signed NDA and DPA · Email support · Flexible consumption	On request
Growth	180,000 conversions · 500 MB maximum file size · 3 concurrent conversions · Signed NDA and DPA · Email and live-chat support · Flexible consumption	On request
Business	600,000 conversions · 1 GB maximum file size · 4 concurrent conversions · Signed NDA and DPA · Email, chat, and video-call support · Flexible consumption	On request
Enterprise	Custom pricing · Dedicated private servers · Guaranteed 99.95% SLA · Single sign-on · 24/7/365 emergency support · Custom feature requests	On request

As convertapi.com lists them, read 19 Sept 2026. The maker's own page has the final word.

Verdict

ConvertAPI provides multiple conversion routes and plan tiers with distinct volume, file-size, and concurrency limits.

Facts from ConvertAPI's own pages

Headquarters: Vilnius, Lithuania · convertapi.com, 23 Sept 2026