Binary Tools Online

Browse the complete ASCII character table (0–127) with decimal, hex, octal, binary, HTML entity, and control character names; filter by code or name

Encode and decode data to/from Avro data serialization format with schema support

Convert numbers and text between any radix from 2 to 36, with custom alphabets and presets for Base58, Base62, and Crockford Base32.

Convert bits to gigabytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates

Convert bits to megabytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates

Encode and decode data to/from BSON (Binary JSON) format

Convert bytes to gigabytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates

Encode and decode data to/from CBOR (Concise Binary Object Representation) format

Convert between CSV and Protocol Buffers (Protobuf) formats

Identify a file by its magic-number byte signature, not the extension. Reads the uploaded file directly across ~70 types.

Convert gigabytes to bits with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates

Convert gigabytes to bytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates

Convert gigabytes to gibibytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates

Convert gigabytes to megabytes with decimal vs binary interpretation, alternate-system comparison, and transfer estimates

Convert gigabytes to terabytes with decimal vs binary interpretation, alternate-system comparison, and transfer estimates

Convert gibibytes to gigabytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates

Upload any binary file and inspect it as a classic hex dump with offset, hex bytes, and ASCII columns (read-only)

Apply adaptive threshold operation that calculates threshold for small regions, suitable for varying lighting conditions

Convert images to binary (black and white) with customizable threshold and options

Apply morphological closing operation (dilation followed by erosion) to fill small holes and connect nearby objects

Apply dilation morphological operation to expand foreground objects in binary images

Apply erosion morphological operation to shrink foreground objects in binary images

Apply morphological opening operation (erosion followed by dilation) to remove small noise and separate connected objects

Apply Otsu threshold operation to automatically determine optimal threshold value using Otsu's algorithm