Best PDF API Software in 2026
Updated
In short: easyPDF Cloud API is ranked #1 of 35 as of 4 October 2026, ahead of OCR.space and PDF4me API. The best-ranked option with a free plan is OCR.space. The lowest first paid tier on this page is easyPDF Cloud API at $0.33/mo.
If your product needs to handle PDFs through an API, compare the operations each option lists: data extraction, OCR, merging and splitting, compression, and conversion. Deployment model and SDK languages can help you consider integration needs, while free-plan availability and paid-from pricing add cost context. easyPDF Cloud API, OCR.space, and PDF4me API are among the entries to examine. Consider which document tasks your application or workflow must support, and weigh those against the listed deployment, language, and pricing details.
35 PDF API software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
16 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | easyPDF Cloud APIWeb · Windows · Mac · Linux · Android · iPhone · API | Three bars | — | 6 of 6 | $0.33/mo | 6.8 | |
| 2 | OCR.spaceWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted · API | Three bars | — | 6 of 6 | $30/mo | 6.8 | |
| 3 | PDF4me APIWeb · Windows · Mac · Linux · Android · iPhone · API · Extension | Three bars | — | 6 of 6 | Free | 6.8 | |
| 4 | ApdfWeb · API | Two bars | — | 1 of 6 | $39/mo | 6.4 | |
| 5 | APITemplate.ioWeb | Two bars | — | 1 of 6 | $19/mo | 6.4 | |
| 6 | CraftMyPDFWeb · API | Two bars | — | 1 of 6 | $29/mo | 6.4 | |
| 7 | DocRaptorWeb · API | Two bars | — | 1 of 6 | $15/mo | 6.4 | |
| 8 | iLoveAPIWeb · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 9 | PDF APIWeb | Two bars | — | 1 of 6 | €15/mo | 6.4 | |
| 10 | PDFMonkeyWeb · API | Two bars | — | 1 of 6 | €5/mo | 6.4 | |
| 11 | pdfRest API Toolkit CloudWeb · API | Two bars | — | 1 of 6 | $9.99/mo | 6.4 | |
| 12 | Adobe PDF Services APIWeb | Two bars | — | 1 of 6 | Free | 6.3 | |
| 13 | Cloudmersive PDF APISelf-hosted · API | Two bars | — | 0 of 6 | $19.99/mo | 6.3 | |
| 14 | Nutrient DWS Accessibility APISelf-hosted · API | Two bars | — | 0 of 6 | $79/mo | 6.3 | |
| 15 | PDFShiftWeb | Two bars | — | 1 of 6 | $24/mo | 6.3 | |
| 16 | Nutrient Document Web ServicesNo platforms listed | Two bars | — | 0 of 6 | Free | 6.2 | |
| 17 | Aspose.PDF CloudWeb · Windows · Mac · Linux · Android · iPhone · Self-hosted · API | Two bars | — | — | 6 of 6 | $30/mo | 5.8 |
| 18 | HTML2PDF RocketWeb · Android | No signal | — | — | 2 of 6 | — | 5.3 |
| 19 | pdflayerWeb | One bar | — | — | 1 of 6 | — | 5.3 |
| 20 | DynamicPDF Cloud APIWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 21 | GoPDFWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 22 | LlamaParseWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 23 | PDF.ai APINo platforms listed | One bar | — | — | 0 of 6 | — | 5.2 |
| 24 | Zamzar APINo platforms listed | One bar | — | — | 0 of 6 | — | 5.2 |
| 25 | HTMLPDF.devWeb | No signal | — | — | 1 of 6 | — | 5.1 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which PDF API software is ranked first on Freedom251?
easyPDF Cloud API is ranked #1 of 35 with a score of 6.8. OCR.space is second and PDF4me API third.
How many of these have a free plan?
16 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, easyPDF Cloud API has the lowest first paid tier we found: $0.33/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.