PDFからテキスト — 無料オンラインテキスト抽出
どんなPDFからも数秒でテキストをコピー。通常のPDFとOCR経由のスキャン画像に対応。ファイルはブラウザ内に留まります。
PDFからテキスト — 無料オンラインテキスト抽出 を3ステップで使う
- 1
Upload your PDF
Drag and drop or browse for the PDF. Files up to 100 MB supported, including multi-page documents.
- 2
Automatic extraction
Text-based PDFs extract instantly. Scanned PDFs trigger OCR (optical character recognition) in 99+ languages.
- 3
Copy or download
Review the extracted text, copy to clipboard, or download as TXT, DOCX, or Markdown.
PDFからテキスト — 無料オンラインテキスト抽出 を選ぶ理由
Text and scanned PDFs
Direct extraction for text-based PDFs; built-in OCR for scanned documents or image-based PDFs.
99+ languages
OCR supports 99+ languages including English, Spanish, Mandarin, Arabic, Japanese, and Korean.
Stays in your browser
All processing happens locally via pdf.js and WebAssembly OCR. Your document never uploads to a server.
Preserves structure
Columns, tables, and paragraph breaks are preserved where possible in the output.
Free unlimited use
No account, no page limit, no watermark.
PDFからテキスト — 無料オンラインテキスト抽出 の利用者
Copy from locked PDFs
Extract text from PDFs with copy protection (for documents you own the rights to use).
Digitize scanned books
Turn scanned pages into searchable, editable text with OCR. Great for research and archiving.
Data extraction
Pull tabular data from invoices, reports, and forms for spreadsheets or databases.
Translation prep
Extract source text before feeding into a translation engine or workflow.
世界中のクリエイターのために
世界中のクリエイター、ジャーナリスト、学生、研究者のために。
よくある質問
- Does it work with scanned PDFs?
- Yes. Scanned or image-based PDFs trigger OCR automatically. Text-based PDFs use direct extraction for perfect fidelity.
- What languages does OCR support?
- 99+ languages including all major European, Asian, and Middle Eastern languages. Specify the language for best accuracy or let auto-detect handle it.
- Is there a file size limit?
- Files up to 100 MB work reliably. Multi-gigabyte scanned archives should be split first.
- How accurate is the OCR?
- 95-99% for clean scans at 300 DPI or higher. Low-resolution or skewed scans may require manual correction.
- Are my PDFs uploaded to a server?
- No. pdf.js and OCR run locally in your browser via WebAssembly.
- What export formats are available?
- Plain text (TXT), Word (DOCX), and Markdown (MD).