Free tools for modern web work.

Combine two or more PDF files into one document in the browser.

Extract selected pages from a PDF and save them as a new file.

Reorder pages or remove unwanted pages from a PDF locally.

Convert PNG, JPEG, and WebP images into a single PDF.

Compress PDF files directly in your browser with size prediction.

Bidirectional conversion between JSON and YAML formats.

Convert JSON to TOML format for config file conversions.

Format, validate, and minify JSON with syntax highlighting.

Encode and decode text and images to/from Base64.

Encode and decode URLs with proper component handling.

Compare two text blocks side-by-side with highlighting.

Test regular expressions with live matching and explanations.

Generate placeholder text with customizable options.

Convert CSV to JSON with delimiter options and preview.

Live markdown editor with preview and HTML export.

Convert between Unix timestamps, ISO dates, and human-readable formats.

Generate UUIDs (v1, v4) in bulk with copy functionality.

Resize and convert images to ideal sizes for websites.

Generate color palettes from base colors or extract from images.

Visual gradient builder with multiple stops. Export CSS code.

Check WCAG contrast ratios between colors for accessibility.

Advanced color picker with multiple formats. Convert between HEX, RGB, HSL, HSV.

Generate box shadows and text shadows with visual preview.

Visual border radius tool with individual corner control.

Visual CSS Grid builder. Define rows, columns, and gaps.

Visual Flexbox layout builder. Control direction, alignment, wrapping.

Discover beautiful font combinations. Preview pairings and export CSS.

Generate consistent typography scales. Calculate font sizes based on ratio.

Optimize and minify SVG files. Remove unnecessary attributes.

Generate Tailwind CSS gradient classes with interactive controls.

Generate Tailwind CSS card classes with interactive controls.

Convert JSON to tokenized format for AI/LLM analysis.

Format and optimize your AI prompts with proper structure.

Parse and format AI responses. Extract JSON and format markdown.

Real-time password strength analysis with entropy calculation.

Generate QR codes from text/URLs with customization.

Test and visualize double-click events in real-time.

Measure typing speed and accuracy with live feedback.

Inspect screen, viewport and device info in real time.