Toolkase

Combine multiple PDFs into one file in your browser.

Extract pages or split a PDF into separate files.

Turn JPG, PNG, or WebP images into a PDF.

Shrink JPG, PNG, and WebP file size in your browser.

Resize images by pixels or percentage.

Convert between JPG, PNG, and WebP.

Format, validate, and minify JSON in your browser.

Generate strong passwords and passphrases.

Create QR codes from text or URLs.

Convert length, weight, temperature, and more.

Encode and decode Base64 text.

Convert HEX, RGB, and HSL with a color picker.

Export PDF pages as PNG or JPG.

Rotate PDF pages left or right.

Reorder or delete PDF pages.

Strip metadata from photos before sharing.

Overlay text or a logo on images.

Rotate and flip images.

Count words, characters, and sentences.

UPPER, lower, Title, camel, snake, kebab case.

Generate UUID v4 values.

Convert Unix timestamps to human dates.

Encode and decode URL components.

MD5, SHA-1, and SHA-256 hashes in-browser.

Inspect JWT headers and payloads (no verification).

Calculate percentages, increases, and discounts.

Convert between binary, octal, decimal, and hex.

Create URL-friendly slugs from text.

Encrypt a PDF with a password in your browser.

Extract text from text-layer PDFs (not OCR).

Crop images to the area you need.

Black out or mask private areas with rectangles and circles.

Mask private PDF areas with rectangles and circles.

Sign a PDF and add stamps — draw, type, or upload.

Convert images to Base64 and back.

Adjust basic image tones in-browser.

Grayscale, invert, and simple filters.

Find and replace text with optional regex.

Compare two texts side by side.

Sort, reverse, shuffle, and dedupe lines.

Remove duplicate lines and extra spaces.

Live Markdown preview in your browser.

Generate placeholder text.

Estimate reading time for any text.

Dice, random numbers, and list pickers.

Generate mock names, emails, and sample data.

Build CSS gradients visually.

Generate harmonious color palettes.

Calculate age and date differences.

Calculate tips and split bills.

Calculate body mass index.

Minify front-end code in the browser.

Test regular expressions against sample text.