Best Free Online OCR Tools — Tested and Compared (2026)

There are plenty of free OCR tools online. Most of them work fine for a clean English PDF. The moment you try a non-English document — Arabic, Hebrew, Farsi, or any RTL script — the results fall apart. We tested the most popular ones to give you an honest picture.

What We Tested

We ran each tool through the same set of documents: a simple English document, a scanned Urdu page, and a scanned Arabic document. We looked at accuracy, speed, file size limits, multi-page support, and how well each tool handled right-to-left scripts.

Quick Comparison

1. FastOCR

FastOCR is built around AI-powered OCR with a focus on multilingual support, including Arabic, Hebrew, Farsi, Urdu, and other RTL scripts. It handles right-to-left text direction correctly — something most free tools fail at entirely.

The free tier is genuinely useful: unlimited image OCR (JPG, PNG, GIF, WebP, BMP, TIFF) and 3 PDF files per month, with no signup required for images. Paid plans start at $9.99/month for 100 PDFs, and the MAX plan at $24.99/month adds unlimited PDFs and batch processing of 25 files at once.

Best for: Non-English documents, RTL scripts, users who need reliable multilingual OCR without installing anything.

Limitations: PDF processing beyond 3/month requires a paid plan.

2. Google Drive OCR

The best free multilingual OCR trick available: upload a PDF or image to Google Drive, right-click, and open with Google Docs. Google's engine extracts the text, and it actually handles Arabic, Hebrew, and other non-Latin scripts better than most dedicated OCR tools.

The catch is the workflow — it's a workaround, not a proper OCR tool. The original document layout is not preserved, and output only comes as a Google Doc. Still, for pure text extraction in any language, this is hard to beat for free.

Best for: Multilingual text extraction when layout doesn't matter. Best free option for RTL languages.

Limitations: Requires a Google account. No layout preservation, no searchable PDF output.

3. iLovePDF

A polished, popular PDF tool suite with an OCR feature built in. English accuracy is solid, the interface is clean, and it handles multi-page PDFs up to 15 MB on the free tier. It also supports a reasonable number of tasks per day without an account.

The problem is non-English support. In testing, Arabic and Hebrew output was garbled — the engine doesn't handle RTL character shaping or reading direction correctly. This is an English-only tool in practice.

Best for: English PDF documents, users who want a clean interface and a suite of other PDF tools in one place.

Limitations: Non-English support is effectively non-existent. 15 MB file size cap on free tier.

4. PDF24 OCR

Completely free, no signup, no page limits, no file count limits. For English documents it works reliably and produces searchable PDF output. It runs Tesseract under the hood, which explains both its solid English performance and its complete failure on non-Latin scripts.

No complaints for what it is: a no-friction English OCR tool.

Best for: English-only workflows where you need a searchable PDF and don't want to create an account.

Limitations: Non-English and RTL support is non-existent. Tesseract-based accuracy has a ceiling.

5. OCR.space

A long-running tool with a web interface and a free API tier. It offers three OCR engines — Engine 3 (slowest) gives the best quality and widest language coverage, including Arabic and Hebrew. The fast engine is noticeably worse.

In practice the free tier is frustrating: the 5 MB file size limit is tight, file upload errors are common, and multilingual quality from the fast engine is poor. Engine 3 is better but slow. Developers may find the free API (25,000 calls/month, 1 MB limit) more useful than the web interface.

Best for: Developers wanting a free OCR API for English. Engine 3 is worth trying for non-English.

Limitations: 5 MB limit on the web interface. Frequent upload errors. Free API capped at 1 MB and 3 PDF pages. Searchable PDF output on the free tier includes a watermark. Non-English quality varies significantly by engine.

6. i2OCR

Free, no signup, and auto-deletes uploaded files after processing — a genuine privacy advantage. It has dedicated language-specific pages for Arabic and Hebrew OCR which use more targeted models than the general interface.

The limitation is the 1-page-at-a-time restriction on the free tier. Non-English quality on the general interface is poor, though the language-specific subpages (i2ocr.com/pdf-ocr-arabic, i2ocr.com/pdf-ocr-hebrew) produce somewhat better results.

Best for: Single-page extractions where privacy matters. Worth trying the language-specific pages for Arabic or Hebrew before giving up on it.

Limitations: One page at a time on the free tier. General non-English accuracy is weak.

7. OnlineOCR.net

One of the older tools in this space. In testing it crashed a browser on a moderately sized PDF, and non-English output was broken. The site shows its age.

Best for: Nothing we could identify in 2026 testing.

Limitations: Unstable on larger files. Non-English fails. 15 MB file size limit.

8. NewOCR.com

Genuinely unlimited — no signup, no page cap, accepts JPEG, PNG, GIF, TIFF, PDF, and even DjVu. It claims 100+ languages via Tesseract, but real-world non-Latin accuracy is poor and it only processes one page at a time.

Best for: Grabbing text from a single English image with zero friction.

Limitations: One page at a time. Non-English fails in practice despite claimed language support.

9. Convertio

Slow, expensive for what it offers, and non-English results were no better than the other Tesseract-based tools. The free tier is limited to 2 files per day. Not worth the wait for English, and not a solution for RTL.

Best for: Users already in the Convertio ecosystem for other file conversions.

Limitations: Slow processing. Non-English and RTL fail. Free tier is 10 pages lifetime — effectively a trial, not a recurring free tier. Expensive paid tiers relative to alternatives.

10. Smallpdf OCR

The OCR page returned a 404 during testing. It appears to have been removed or moved. Not a current option.

Our Verdict

• For English documents: PDF24 or iLovePDF. Both are free, reliable, and require no signup. PDF24 has no limits at all.
• For Arabic, Urdu, or other RTL documents: FastOCR or Google Drive. Google Drive is free and surprisingly accurate. FastOCR is the dedicated tool with proper RTL support and searchable PDF output.
• For occasional one-off use: Google Drive costs nothing and handles more languages than any dedicated free tool.
• For bulk or regular use: FastOCR's free tier covers unlimited image OCR. The Pro plan ($9.99/month) adds 100 PDFs per month.

How to Choose

1. What language? For English, almost anything works. For Arabic, Urdu, Farsi, or other RTL scripts, your real choices are FastOCR or Google Drive.
2. Do you need a searchable PDF? Most free tools don't produce one. FastOCR and PDF24 do.
3. How many files? For occasional use, free tiers are fine. For volume, FastOCR Pro or MAX.
4. Privacy? i2OCR auto-deletes files. For fully offline OCR, Tesseract installed locally is the only real option.