Ffirmwarekit EMBEDDED / DEVELOPER TOOLS
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Everyday tools for
embedded developers.

Find a tool. Enter data. Get a result. Copy it.

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Toolbox

v0.1 / LOCAL

10 tools available

Data conversion07 tools

NUMBERS / BITS / BYTESTOOL_01

Bit Calculator

Convert numbers, edit register bits, generate field masks, and change byte order in one workspace.

0xA5 → 165 → 1010 0101 → field [7:4]
Open tool
HEX / BIN / MERGETOOL_03

HEX Merge

Merge HEX and BIN files, set load addresses, inspect overlaps, and export HEX or padded BIN.

firmware.hex + config.bin → HEX / BIN
Open tool
HEX ⇄ TEXTTOOL_05

HEX ↔ String

Decode HEX bytes or encode text. Choose an encoding, copy code arrays, and export bytes.

48 65 6C 6C 6F → Hello
Open tool
BASE64 / TEXT / BYTESTOOL_10

Base64 Decode/Encode

Decode Base64 to text or binary. Encode text, HEX, or files. Copy developer formats or download BIN.

SGVsbG8= → Hello / HEX / BIN
Open tool
JSON / FORMAT / CHECKTOOL_06

JSON formatter

Format, validate, and minify JSON. Preserve large numbers, locate errors, and inspect matching tokens.

{"baud":115200} → readable JSON
Open tool
HEX / C STRUCTTOOL_08

C struct decoder

Decode HEX using a C struct or typedef. Detect field sizes and offsets, choose packing, and edit fields.

01 FF + uint8_t fields → 1, 255
Open tool
TYPE / LENGTH / VALUETOOL_09

TLV parser

Split HEX into records with BLE advertising, NFC Type 2, BER-TLV, or editable custom formats.

02 01 06 → Flags / 1 byte / 06
Open tool

Checksums01 tool

CRC / CHECKTOOL_02

CRC calculator

Calculate common CRCs from HEX, text, or a file range, with algorithm parameters in view.

123456789 → 0xCBF43926
Open tool

Firmware analysis02 tools

ELF / MAP / MEMORYTOOL_04

Firmware Memory Lens

Inspect Flash and RAM use, find large symbols and objects, and compare firmware builds.

firmware.elf + firmware.map → memory report
Open tool
BINARY / STRINGSTOOL_07

Strings extractor

Find readable strings in binary files. Edit length, encoding, byte range, and matching conditions.

firmware.bin → strings + offsets
Open tool