The Developer's
Swiss Army Knife

Convert PNG, JPG, WebP, and SVG images right inside your browser.

Generate multi-size web favicons and app icons instantly.

Slice images into precise grid columns and rows for carousel posts.

Overlay custom text or logos onto your images to protect your intellectual property.

Put non-square images on a beautiful square or portrait matte for Instagram without cropping.

Convert images to Base64 data strings for direct CSS/HTML embedding.

Generate custom placeholder images instantly for wireframes and UI mockups.

Add beautiful color noise, film grain, and texture overlays to your artwork and illustrations.

Combine multiple screenshots or images into a single vertical or horizontal composite.

Automatically trim empty transparent pixels from the edges of your PNGs.

Minify and clean bloated SVG code from Figma or Illustrator by stripping metadata and whitespace.

Press Ctrl+V to instantly view and save images directly from your clipboard to a file.

Convert raster images (PNG, JPG) into infinitely scalable SVG vector graphics.

Convert seamlessly between HEX, RGB, HSL, OKLCH, LAB, and LCH.

Extract and generate cohesive color palettes with contrast checks.

Design multi-stop CSS gradients with OKLCH smooth interpolation.

Simulate how your images and UI mockups appear to users with different types of colour vision deficiency.

Generate a perfectly balanced 50-950 Tailwind color palette from a single base hex code.

Check WCAG color contrast compliance for text and UI elements to ensure accessibility.

Instantly calculate complementary, analogous, and triadic color schemes based on color theory.

Upload an image to automatically extract its dominant colors and generate a cohesive hex palette.

Browse and copy from a hand-curated gallery of beautiful, cohesive color themes.

Upload an image and use the precision eyedropper magnifier to extract exact HEX/RGB codes from any pixel.

Instant pixel to REM / EM conversion with custom base sizes.

Live character, word, reading time, and sentence analysis.

Instantly convert between PX, REM, EM, PT, and Percentages for perfect responsive text scaling.

Instantly convert documents between Markdown, HTML, and Plain Text formats.

Calculate and visualize optimal typographic line heights based on container width.

Compare two text documents side-by-side and highlight additions, deletions, and changes.

A distraction-free, side-by-side Markdown editor with real-time HTML preview and syntax formatting.

Inspect TTF, OTF, and WOFF font files to view internal metadata, licenses, and glyph metrics.

Browse, search, and inspect the internal unicode glyphs and symbols of any font file.

Display text as large as possible across your entire screen. Great for showing passwords or numbers from afar.

Convert CSS units, paper sizes, aspect ratios, and viewports.

Instantly encode, decode, and parse Base64 strings, URLs, HTML entities, and JWTs.

Convert seamlessly between Hexadecimal, Decimal, Binary, Octal, and ASCII Text.

Convert Unix timestamps, calculate date differences, and perform time-based arithmetic.

A full-featured scientific calculator with a secure expression parser and history tape.

Plot and visualize complex mathematical functions with a native HTML5 rendering engine.

Symbolic algebra engine: simplify expressions, calculate derivatives, and evaluate variables.

Generate custom, downloadable vector & PNG QR codes.

Generate Open Graph, Twitter card, and SEO meta tags for your website.

A developer's Swiss army knife for text. Convert cases, sort lists, clean whitespace, and extract regex patterns.

Test and debug regular expressions in real-time with syntax highlighting and match extraction.

Split wide panoramic images into perfectly sized seamless carousels for Instagram.

Crop and export images perfectly sized for Instagram, Twitter, TikTok, and LinkedIn.

Generate Code 128, EAN-13, UPC-A, Data Matrix, Aztec, and PDF417 barcodes.

Encrypt and decrypt text using classical cryptography algorithms like Caesar and Vigenère.

An instantly searchable, click-to-copy reference guide for essential Tailwind CSS classes.

Combine multiple PDF files into a single document in any desired order.

Extract specific page ranges or burst an entire document into individual PDF files.

Visually reorder, rotate, or delete specific pages within a PDF document.

Stamp customizable text with opacity and rotation across all pages of a document.

Inject customizable, sequential page numbers into the margins of a PDF document.

Arrange multiple PDF pages onto single sheets (2-up, 4-up) to save paper and ink.

Convert and package multiple JPG or PNG images into a single, cohesive PDF document.

Reorder and arrange PDF pages into a perfect saddle-stitch booklet layout ready for folded printing.