Documents / Text
33 tools are rendered through the shared template.
Markdown -> MindMap
Turn Markdown headings into a simple browser-rendered mind map tree.
Markdown -> HTML
Convert Markdown into an HTML preview and source code directly in the browser.
Markdown -> PDF
Turn Markdown into a print-ready document and open the browser save-as-PDF flow.
Markdown live preview
Type Markdown or load a file and preview the rendered document instantly in the browser.
Mermaid diagram generator
Render Mermaid syntax into an SVG diagram directly in the browser.
PlantUML renderer
Encode PlantUML source in the browser and render an SVG preview only when requested.
JSON Viewer
Validate JSON and inspect a formatted source and navigable structure.
YAML Viewer
Validate YAML and inspect the parsed structure plus JSON output.
CSV Viewer
Preview CSV files as a table and inspect row and column counts.
CSV → JSON
Validate CSV data and convert it into a JSON array.
JSON → CSV
Convert JSON arrays or objects into escaped CSV.
Text Diff
Compare two text blocks and highlight added, removed, and changed lines.
Code Diff
Compare two code snippets with a whitespace-normalization option.
Document Summary Viewer
Extract headings, key sentences, keywords, and document stats in the browser.
HTML Preview
Render HTML in a sandboxed preview and inspect the document structure.
TXT to PDF
Preview pasted text or a text file as a print-ready PDF document.
Markdown Wiki Viewer
Render Markdown as a wiki-style article with outline navigation.
RTF Viewer
Extract readable text from RTF source in the browser.
Paragraph Formatter
Normalize loose lines and spacing into readable paragraphs.
Case Converter
Convert text to upper, lower, title, or sentence case.
Character Counter
Count characters, words, lines, sentences, and length without spaces.
Text Sorter
Sort line-based text ascending, descending, or with duplicates removed.
Line Break Cleaner
Clean unnecessary line breaks and blank lines around sentences.
Base64 Text Encoder
Encode UTF-8 text into a Base64 string.
Base64 Text Decoder
Decode a Base64 string into UTF-8 text.
URL Encoder
Percent-encode URL query values or path fragments.
URL Decoder
Decode percent-encoded URL text into a readable value.
Slug Generator
Convert title text into a search-friendly URL slug.
Lorem Ipsum Generator
Generate placeholder copy from selected paragraph and sentence counts.
Memo Pad
A simple local memo pad saved in browser localStorage.
Font Comparer
Compare the same text with two fonts and one size setting.
OCR Result Viewer
Paste or upload OCR-extracted text to inspect lines, blocks, and suspicious characters.
Clipboard Tool
Clean clipboard text and save pasted or clipboard images as PNG/JPG files.