テキストを整える。
フォーマッター
散らかったテキストを整理 — 大文字小文字、リスト、JSON、スラッグ、差分 — 必要な形に整えます。
23個のツールを利用可能
Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case and more.
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Word / Character Counter
Count words, characters, sentences, and reading time.
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Markdown to HTML Converter
Convert Markdown to HTML with a live preview.
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JSON Formatter & Validator
Format, validate, and minify JSON with line numbers and error hints.
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List Cleaner / Splitter
Split, dedupe, sort, and clean comma-separated lists.
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Text Diff / Compare
Compare two blocks of text and see the differences line by line.
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URL Slug Generator
Turn any title into a clean, SEO-friendly URL slug.
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SQL Formatter / Beautifier
Paste a SQL query and get a clean, properly indented, syntax-highlighted version.
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CSS Formatter / Minifier
Beautify or minify CSS in one click.
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YAML ↔ JSON Converter
Convert between YAML and JSON with a live preview.
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CSV Column Sorter & Viewer
Paste a CSV and sort, dedupe, and filter it in your browser.
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UTM Link Builder
Compose tagged campaign URLs for Google, Meta, and email — clean and copy-ready.
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Social Media Caption Formatter
Reformat text with line breaks for IG, hashtags ready for X, or threads for LinkedIn.
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PDF Merger
Combine multiple PDFs into one file in your browser.
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PDF Splitter
Extract a page range into a new PDF.
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PDF Page Reorder
Rearrange PDF pages with a simple page-number list.
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PDF Page Rotator
Rotate selected PDF pages by 90, 180, or 270 degrees.
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PDF Page Remover
Delete unwanted pages from a PDF locally.
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PDF Metadata Editor
View and change a PDF title, author, subject, and keywords.
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PDF Watermark Tool
Stamp text across every page of a PDF.
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XML Formatter & Validator
Beautify XML and surface parser errors.
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HTML Formatter / Minifier
Beautify or compact HTML markup.
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Query String Parser
Turn URL query parameters into readable JSON and back.
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