Practical guides
Follow a complete task, understand the tradeoffs, and check the result before sharing it.
Prepare a PDF upload without losing the important pages
A practical sequence for organizing a document, correcting orientation, and checking the final PDF.
Choose image dimensions, compression, and format
Understand when to crop, resize, compress, or convert an image for a real upload requirement.
Base64, URL encoding, and hashing solve different problems
Use small worked examples to choose between encoding text, encoding a URL component, and calculating a digest.
Tool examples and limitations
Merge PDF
Worked examples, practical limits, and processing notes.
Split PDF
Worked examples, practical limits, and processing notes.
Rotate PDF
Worked examples, practical limits, and processing notes.
JPG to PDF
Worked examples, practical limits, and processing notes.
PDF to JPG
Worked examples, practical limits, and processing notes.
Compress Image
Worked examples, practical limits, and processing notes.
Resize Image
Worked examples, practical limits, and processing notes.
Crop Image
Worked examples, practical limits, and processing notes.
PNG to JPG
Worked examples, practical limits, and processing notes.
WebP Converter
Worked examples, practical limits, and processing notes.
JSON Formatter
Worked examples, practical limits, and processing notes.
Base64 Encoder and Decoder
Worked examples, practical limits, and processing notes.
UUID Generator
Worked examples, practical limits, and processing notes.
Hash Generator
Worked examples, practical limits, and processing notes.
URL Encoder and Decoder
Worked examples, practical limits, and processing notes.
Timestamp Converter
Worked examples, practical limits, and processing notes.
Word Counter
Worked examples, practical limits, and processing notes.
Text Compare
Worked examples, practical limits, and processing notes.
IP Lookup
Worked examples, practical limits, and processing notes.
DNS Lookup
Worked examples, practical limits, and processing notes.