All Tools VerseImage to Grayscale and Black and White
Converting an image to grayscale removes all color and keeps only brightness, turning every pixel into a shade of gray. Black and white goes a step furthe
Blog
UTF-16 and UTF-32 Explained (with UTF-8 Conversion)
UTF-16 and UTF-32 are two other ways to store the same Unicode characters that UTF-8 stores, differing only in how many bytes each character takes. UTF-32
Decimal to Hex and Hex to Decimal Converter
Decimal to hex conversion rewrites an everyday base-10 number as base-16, so 255 becomes FF and 4096 becomes 1000. You divide the number by 16 repeatedly and r
Analyze an Image: Check Its Real Format and Size
Analyzing an image reads its real properties without opening an editor: the true format, the pixel dimensions, the file size, whether it has transparency,
bcrypt: How Password Hashing Works
bcrypt is a password hashing function designed to be slow on purpose, which is exactly what makes it good at protecting passwords. Instead of storing a pa
CSV to YAML, XML and Markdown Table
CSV is not the only tabular format, and converting it to YAML, XML, or a Markdown table makes the same data fit different tools: YAML for configuration, X
Generate Test Data: JSON, CSV, TSV and XML
Generating test data gives you realistic fake records in JSON, CSV, TSV, or XML so you can build and test software without using real, sensitive informati
Compress WebP: Smaller Files, Same Quality
Compressing a WebP shrinks the file by lowering its quality setting, and because WebP is efficient, you can often cut the size in half with no visible dif
UTF-8 to Bytes and Code Points Explained
UTF-8 stores each character as one to four bytes, and converting UTF-8 to bytes or code points shows exactly how a string is encoded under the hood. The l
Hex to Binary and Binary to Hex Converter
Hex to binary conversion expands each hexadecimal digit into the four binary bits it represents, so the hex 2F becomes 0010 1111. Because one hex digit maps to
How to Tell PNG, JPG, WebP and GIF Apart
The fastest way to tell PNG, JPG, WebP, and GIF apart is to read the first few bytes of the file, called its signature or magic number, not to trust the f
Privacy Before You Share: Redact, Strip and Encrypt
Before you share a photo, a document, or a message, it is worth removing what you did not mean to send: a license plate in the background, hidden location