Every bench calculation, one tab away

Compute CRC-16/MODBUS over hex or ASCII input, with LE/BE byte order.

Standard CRC-32 (ISO-HDLC) checksum for hex bytes or text.

CRC-16/CCITT-FALSE and related variants, selectable parameters.

CRC-8 with selectable polynomial and init variants.

Fully parameterized CRC: width, poly, init, reflect, xorout.

Reverse-search which CRC algorithm produced your checksum.

XOR checksum for NMEA 0183 sentences, validate or generate.

Decode Modbus RTU/TCP frames: unit, function, registers, CRC check.

Parse NMEA 0183 sentences into labeled fields with checksum check.

Break down CAN 2.0 frames: ID, DLC, data bytes, flags.

Float ↔ hex/registers with Modbus word orders ABCD/CDAB/BADC/DCBA.

Convert hex byte strings to readable ASCII text.

Convert between binary, octal, decimal and hexadecimal.

Signed integer ↔ raw hex at 8/16/32-bit widths.

Swap byte order of hex values: 16/32/64-bit, word swap.

Convert real numbers ↔ fixed-point Qm.n representation.

Raw counts ↔ engineering units with verified vendor presets.

Current loop ↔ process value with open-loop and range warnings.

Derive slope and offset from two measured reference points.

Convert between mA, V and psi process signal ranges.

BCD ↔ decimal with per-nibble validation and error position.

Check 4-20mA loop voltage budget against device burdens.

Translate 0-based, 1-based and 4xxxx Modbus register notations.

RTD resistance ↔ temperature per IEC 60751 (Callendar-Van Dusen).

Counts ↔ voltage for N-bit ADCs, with LSB size.

Solve divider ratios with nearest E24/E96 resistor values.

Convert RMS, peak and peak-to-peak for sine waveforms.

Convert power ratios, dB, dBm and voltage levels.

Derive prescaler and segment values for a target CAN bitrate.

Pull-up resistor bounds from bus capacitance and speed mode.

Prescaler/period combinations for a target timer frequency.

Actual baud and error % from clock and divider settings.

Visualize C struct member offsets, padding and total size.

Extract and label bit fields from register values.

Convert NI TDMS files to CSV in your browser — no upload.

Inspect TDMS group/channel tree and properties in the browser.

Plot waveform columns from CSV files, fully client-side.

View any file as a hex dump with ASCII column.

Convert firmware images between Intel HEX, S-Record and raw binary.