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Extract Text from PDF: Free PDF to Text Converter

Extract text from PDF files. Convert PDF to plain text for editing, analysis & accessibility. Free online converter with OCR.

163,297件のファイルを変換済み

PDFに対応

アップロードすることで、これらのファイルの権利を有していること、および利用規約に同意することを確認したものとみなされます。

変換設定: ファイルを追加すると調整できます

Leave empty to convert every page, or enter page numbers and ranges.

安全な転送

HTTPS暗号化アップロード

プライバシー優先

ゲストのファイルは約2時間で自動削除

登録不要

すぐに変換を開始

どこでも動作

あらゆるブラウザ、あらゆるデバイス

PDF から TXT への設定

エンジン
PDF
設定
調整できる設定: 2
  • Password
ページ
必要なページだけを変換できます(例: 1-5, 8)。

変換方法

1

アップロードエリアにドラッグするか、クリックして選択し、.pdfファイルをアップロードしてください。

2

必要に応じて出力設定を調整してください。デフォルト設定ではオリジナルの品質を維持します。

3

「変換」をクリックし、準備ができたら.txtファイルをダウンロードしてください。

PDFからTXTへの変換について

Extracting text from PDF creates plain text files for editing, searching, analysis, and accessibility. Our PDF to text converter handles both native PDFs (with selectable text) and scanned documents (using OCR), delivering clean text output from any PDF source.

Whether you need to edit PDF content, analyze document text, or make documents accessible to screen readers, text extraction is the essential first step. The conversion produces clean, properly formatted text ready for any text-based workflow.

PDFをTXTに変換する理由

Text manipulation requires plain text format. PDF content can't be easily edited, searched, or analyzed in its original form. Extracting to text enables find-and-replace, data extraction, content repurposing, and integration with text processing tools.

Accessibility improves with plain text. Screen readers handle plain text more reliably than PDF. For visually impaired users or text-to-speech applications, text extraction enables document access.

Data analysis often begins with text extraction. Natural language processing, content analysis, and data mining tools work with text files. Converting PDF reports, research papers, and documents to text enables programmatic analysis.

主な活用例

  • Edit PDF content without specialized PDF editors
  • Extract data from PDF reports for analysis
  • Make scanned documents searchable and accessible
  • Copy PDF content to word processors or web forms
  • Enable screen reader access to PDF documents
  • Process document text with analysis tools

仕組み

For native PDFs (containing actual text, not images), we extract text directly from the PDF structure, preserving character accuracy. Layout approximation attempts to maintain paragraph structure and reading order.

For scanned PDFs (image-based), we apply OCR (Optical Character Recognition) with our text recognition engine. OCR accuracy depends on scan quality—clear, high-resolution scans produce better results. Multiple language support is available.

品質とパフォーマンス

Native PDF text extraction is highly accurate. OCR accuracy for scanned documents varies based on image quality, font clarity, and language complexity. Handwritten text has lower accuracy than printed text.

Document EngineFastLossless

デバイス互換性

DevicePDFTXT
WindowsNativeNative
macOSNativeNative
iOSNativeNative
AndroidNativeNative
LinuxNativeNative
ChromeOSNativeNative

PDF to TXT: real-world performance

SpeedNear-instant
Output size~93% smaller (measured 75 KB → 5 KB).
QualityText layer extracted; images and layout dropped.
EnginePDF engine, server-side.

Measured on our servers, June 2026, on a 2-page PDF. See all measured conversions →

最良の結果を得るためのヒント

  • 1Native PDFs (digitally created) extract text more accurately than scanned documents
  • 2For scanned PDFs, OCR accuracy depends on scan quality — 300 DPI is ideal
  • 3Complex tables may not convert cleanly to linear text — consider PDF to Excel instead
  • 4Select the correct language for OCR to maximize accuracy on non-English documents
  • 5Plain text loses all formatting — for structured output, use PDF to Word instead

関連する変換

Unlock your PDF content for editing and analysis. Our converter extracts text from any PDF—native or scanned—creating plain text files ready for any text-based workflow.

PDFとTXTの比較

特徴PDFTXT
正式名称Portable Document FormatPlain Text
拡張子.pdf.txt

よくある質問

Plain text can't preserve formatting (bold, fonts, tables). We preserve paragraph structure and reading order as best as possible. For formatted output, consider PDF to Word instead.
Yes! We use OCR (Optical Character Recognition) for image-based PDFs. Accuracy depends on scan quality. Clear, high-resolution scans work best.
We attempt to preserve structure, but complex tables may not convert cleanly to linear text. For tabular data, consider PDF to Excel instead.
We support most Latin-alphabet languages, plus Chinese, Japanese, Korean, Arabic, Hebrew, Russian, and more. Select the appropriate language for best accuracy.
Some PDFs use images for text (logos, stylized headings) which may not extract. OCR might miss text in very small fonts or poor quality scans.

関連する変換とツール

逆変換

TXT to PDF→

PDFから他の形式への変換

他の形式からTXTへの変換

このPDFを編集・署名・圧縮しますか?

Beyond format conversion, our PDF toolkit covers compression, merging, signing, OCR, annotation, watermarking, PDF/A conversion, and 10 more utilities.

Browse all PDF tools →

PDFを他の形式に変換

他の形式をTXTに変換