Blog
Tips on PDF, images, and our tools
Merge PDF: what it is and how to use it
Merge PDF: Combine multiple PDF files into one. Fast and free in your browser.
Compress PDF: what it is and how to use it
Compress PDF: Reduce PDF size (in-browser). Fast and free in your browser.
Convert PDF: what it is and how to use it
Convert PDF: Turn PDF pages into images. Fast and free in your browser.
Split PDF: what it is and how to use it
Split PDF: Split by pages or ranges. Fast and free in your browser.
Protect PDF: what it is and how to use it
Protect PDF: Add a password to your PDF. Fast and free in your browser.
Rotate PDF: what it is and how to use it
Rotate PDF: Rotate PDF pages. Fast and free in your browser.
PDF watermark: what it is and how to use it
PDF watermark: Add a watermark to your PDF. Fast and free in your browser.
Delete PDF pages: what it is and how to use it
Delete PDF pages: Remove pages from a PDF. Fast and free in your browser.
Compress image: what it is and how to use it
Compress image: Optimize JPEG, PNG, and WebP. Fast and free in your browser.
Resize image: what it is and how to use it
Resize image: Set width and height. Fast and free in your browser.
Convert format: what it is and how to use it
Convert format: Convert between JPG, PNG, WebP. Fast and free in your browser.
Image to PDF: what it is and how to use it
Image to PDF: Turn one or more images into a single PDF file. Fast and free in your browser.
Crop image: what it is and how to use it
Crop image: Crop to the size you need. Fast and free in your browser.
Rotate / flip: what it is and how to use it
Rotate / flip: Rotate or mirror an image. Fast and free in your browser.
Remove background: what it is and how to use it
Remove background: Remove background with AI. Fast and free in your browser.
Image watermark: what it is and how to use it
Image watermark: Watermark an image. Fast and free in your browser.
Aspect ratio: what it is and how to use it
Aspect ratio: Calculate ratio and pixels. Fast and free in your browser.
Favicon generator: what it is and how to use it
Favicon generator: Create favicons from PNG. Fast and free in your browser.
OG image builder: what it is and how to use it
OG image builder: Create Open Graph images. Fast and free in your browser.
Color palette: what it is and how to use it
Color palette: Pick a color and see palette + HEX/RGB. Fast and free in your browser.
Color codes: what it is and how to use it
Color codes: Convert HEX, RGB, HSL. Fast and free in your browser.
Gradient builder: what it is and how to use it
Gradient builder: Generate CSS gradient code. Fast and free in your browser.
Contrast checker: what it is and how to use it
Contrast checker: WCAG contrast ratio check. Fast and free in your browser.
Color shades: what it is and how to use it
Color shades: Generate 10 shades from a color. Fast and free in your browser.
CSS shadow: what it is and how to use it
CSS shadow: Build box-shadow CSS. Fast and free in your browser.
QR generator: what it is and how to use it
QR generator: Create a PNG QR code for text or URLs. Fast and free in your browser.
Word counter: what it is and how to use it
Word counter: Count characters, words, and lines. Fast and free in your browser.
Case converter: what it is and how to use it
Case converter: Change letter case. Fast and free in your browser.
Turkish characters: what it is and how to use it
Turkish characters: Convert Turkish-specific characters. Fast and free in your browser.
Clean text: what it is and how to use it
Clean text: Clean up and normalize text. Fast and free in your browser.
Slug generator: what it is and how to use it
Slug generator: Create SEO-friendly URL slugs. Fast and free in your browser.
Lorem ipsum: what it is and how to use it
Lorem ipsum: Generate placeholder text. Fast and free in your browser.
Text diff: what it is and how to use it
Text diff: Compare two texts. Fast and free in your browser.
Font compare: what it is and how to use it
Font compare: Compare two Google Fonts. Fast and free in your browser.
CSV ↔ JSON: what it is and how to use it
CSV ↔ JSON: Convert between CSV and JSON. Fast and free in your browser.
Excel → JSON: what it is and how to use it
Excel → JSON: Turn Excel files into JSON. Fast and free in your browser.
Table builder: what it is and how to use it
Table builder: Create HTML/Markdown tables. Fast and free in your browser.
JSON diff: what it is and how to use it
JSON diff: Compare two JSON documents. Fast and free in your browser.
What Is Image Compression? Speed Up Your Website
Shrink JPEG, PNG, and WebP in your browser. Practical guide to lighter pages, Core Web Vitals, and when lossy vs lossless matters.
How to Merge PDF Files for Free (Fast, in Your Browser)
Combine multiple PDFs without signup. Files stay on your device with CodeGrid Tools. Step-by-step guide for invoices, contracts, and schoolwork.