SwiftTools

Free Online Text Tools

Everything you need to write, edit, format, and analyze text. Grammar checking, plagiarism detection, paraphrasing, word counting, JSON formatting, and more — all free, no signup required.

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Grammar Checker

Check your text for grammar, spelling, and punctuation errors in real-time.

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Plagiarism Checker

Detect duplicate content and check text originality across the web.

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Paraphrasing Tool

Rewrite sentences and paragraphs while preserving the original meaning.

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Text to Speech

Convert written text into natural-sounding speech using browser APIs.

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Speech to Text

Transcribe spoken words into editable text using your microphone.

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Word Counter

Count words, sentences, paragraphs, and estimate reading time instantly.

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Character Counter

Count characters with and without spaces. Track limits for Twitter, SMS, and more.

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JSON Formatter

Format, validate, minify, and beautify JSON data with syntax highlighting.

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Lorem Ipsum Generator

Generate placeholder text in paragraphs, sentences, or words for your designs.

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Text Compare / Diff

Compare two blocks of text side-by-side and highlight differences instantly.

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Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, and more.

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Markdown Editor

Write and preview Markdown in real-time with syntax highlighting and export options.

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Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings instantly in your browser.

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The Complete Text Toolkit

Whether you're a student polishing an essay with the Grammar Checker, a developer formatting API responses with the JSON Formatter, a content writer checking originality with the Plagiarism Checker, or a designer generating placeholder copy with the Lorem Ipsum Generator, SwiftTools has the right utility for your workflow.

Our text tools are designed for speed, privacy, and simplicity. Most run entirely in your browser using client-side JavaScript — your text never leaves your device. No bloated software to install, no accounts to create, no limits on usage. Just fast, reliable text processing at your fingertips.

Who Uses Our Text Tools?

📚 Students & Academics

Check grammar, detect plagiarism, count words for essay limits, and paraphrase citations properly.

✍️ Writers & Content Creators

Polish drafts, convert case styles, compare revisions, and generate Markdown for blogs.

💻 Developers & Engineers

Format and validate JSON, encode/decode Base64, compare text diffs, and write documentation in Markdown.

🎨 Designers & Marketers

Generate lorem ipsum placeholders, convert copy to Title Case, and test text-to-speech for accessibility.

Text Tools FAQ

Are all SwiftTools text tools free?
Yes! Every text tool on SwiftTools is completely free to use with no signup, no watermarks, and no hidden fees. Most tools run entirely in your browser for maximum privacy.
Is my text data kept private?
Absolutely. The majority of our text tools process data locally in your browser — your sentences, documents, and personal writing never leave your device. For tools that require server processing (like AI-powered grammar checking), data is processed securely and never stored.
Can I use these tools on mobile?
Yes! All text tools are fully responsive and work in any modern browser on iOS, Android, tablets, and desktop computers. No app installation needed.
What text tools are available?
SwiftTools offers 13+ text utilities including a Grammar Checker, Plagiarism Checker, Paraphrasing Tool, Word Counter, Character Counter, JSON Formatter, Text-to-Speech, Speech-to-Text, Lorem Ipsum Generator, Text Compare/Diff, Case Converter, Markdown Editor, and Base64 Encoder/Decoder.

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