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Extract specific pages or page ranges from a PDF. Download as a single file or separate pages.

Combine multiple PDF files into one. Drag to reorder pages before merging.

Annotate PDFs with text, highlights, shapes, arrows, and freehand drawings. Save back to PDF.

Validate, format, and minify JSON with syntax highlighting and error detection.

Beautify and format SQL queries for MySQL, PostgreSQL, and SQLite dialects.

Live side-by-side Markdown editor with instant rendered preview.

Decode and inspect JWT tokens — header, payload, expiration, and claims.

Encode and decode Base64 strings and files instantly in your browser.

Encode/decode URLs and parse all components — protocol, path, query params.

Generate UUID v4 (random) and v1 (time-based) IDs in bulk instantly.

Generate SHA-1, SHA-256, and SHA-512 cryptographic hashes using Web Crypto API.

Generate QR codes from any URL or text. Customize colors and download as PNG.

Generate cryptographically strong passwords with customizable rules and strength indicator.

Generate placeholder text by words, sentences, or paragraphs for mockups.

Build box-shadow and text-shadow CSS visually with live preview.

Convert colors between HEX, RGB, HSL, and CMYK formats with a visual picker.

Convert Unix timestamps to human-readable dates and vice versa across timezones.

Convert numbers between Binary, Octal, Decimal, and Hexadecimal simultaneously.

Test regular expressions live with real-time match highlighting and group capture display.

Compare two blocks of text and visualize additions, deletions, and unchanged lines.

Parse and describe cron expressions in plain English with next run times.

Build and send HTTP requests like Postman. Generate cURL commands instantly.

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

Convert text between camelCase, snake_case, PascalCase, kebab-case, and more.

Live side-by-side Markdown editor with instant rendered preview.