Developer tools that
just work

Estimate token count and cost for GPT-4, Claude, Gemini, and other LLMs. Supports multi-language text analysis with real-time token breakdown.

Compare features, pricing, and capabilities of leading AI models including GPT-4, Claude, Gemini, and more.

Split long text into chunks optimized for AI processing. Customize chunk size and overlap for RAG applications.

Convert Word documents (.docx, .doc) to clean Markdown format. Preserves tables, lists, and basic formatting.

Convert Excel spreadsheets (.xlsx, .xls) to Markdown tables. Supports multiple sheets and complex cell formats.

Extract text from PDF files and convert to Markdown format. Supports multi-page documents.

Convert any web page to clean Markdown using Jina AI Reader. Remove ads and distractions.

Convert HTML code to well-formatted Markdown. Supports all HTML tags and nested structures.

Convert PDF pages to high-quality images. Choose from PNG, JPEG, or WEBP formats with adjustable resolution.

Combine multiple images into a single PDF document. Supports JPG, PNG, GIF, and BMP formats.

Merge multiple PDF files into one document. Preserve page order and maintain original quality.

Split a PDF document into individual pages or extract specific page ranges. Download as separate files.

Add text or image watermarks to PDF documents. Customize font, size, color, and position.

Format, minify, and validate JSON with syntax highlighting. View JSON in tree structure with collapsible nodes.

Convert between YAML and JSON formats. Supports complex nested structures and preserves comments.

Convert XML to JSON and vice versa. Supports attributes, namespaces, and mixed content.

Convert CSV files to JSON format and vice versa. Supports custom delimiters and header options.

Generate SQL INSERT statements from CSV data. Supports multiple database dialects and batch inserts.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for any text input. Compare multiple algorithms at once.

Encode and decode Base64 strings. Supports URL-safe encoding and file conversion.

Encode and decode URL parameters. Handle special characters and Unicode strings.

Decode JWT tokens to view payload and header information. Verify token structure and claims.

Test regular expressions against sample text. Get real-time matching results and explanations.

Write and preview Markdown in real-time. Supports GitHub Flavored Markdown with live rendering.

Get detailed statistics about your text including word count, character count, reading time, and more.

Convert text between different case formats: uppercase, lowercase, title case, camelCase, snake_case, and more.

Perform multiple find-and-replace operations on your text. Supports regex patterns and batch processing.