How do I add the generated symbol to KiCad?

Open Preferences → Manage Symbol Libraries, add the downloaded .kicad_sym as a new library row (global or project scope), and the part appears in the Add Symbol dialog. Its Footprint field already points at the matching footprint, which you register the same way under Manage Footprint Libraries.

Will the symbol pass KiCad ERC?

Pins carry electrical types (power input, output, bidirectional, passive, and so on) taken from the datasheet, so ERC runs meaningfully. Always review the pin map shown after generation before trusting it in a production schematic.

Can I fix one wrong pin without starting over?

Yes. Type the correction in the refine box, for example "pin 12 is RESET, active low", and the same symbol is revised with the footprint link kept intact.

KiCad Symbol Generator

Drawing a symbol in the KiCad Symbol Editor means reading the pin table, placing every pin, and typing names and electrical types one at a time. PartSpark does that from the datasheet: it writes a .kicad_sym file with correct pin numbers, names, and electrical types for ERC, and fills in the Footprint field so the symbol is ready for the PCB editor the moment you place it in the schematic.

Modern s-expression .kicad_sym output for KiCad 6, 7, 8, and 9
Electrical types set per pin so ERC catches real wiring errors
Footprint field pre-linked to the generated .kicad_mod
Refine pin names or sides in plain English without regenerating

Live generator

Generate a KiCad symbol now

Type the part number or upload the datasheet. Download the .kicad_sym file and add it to your symbol library table.

Parts database

Find an existing part.

Search the online catalog used by ProtoFlow. Look up a part number, LCSC code, or specifications. Searching does not use generation credits.

Source: PCB Parts · JLCPCB / LCSC. Keyword search covers indexed parts with at least 10 units in stock. Stock and prices may change; confirm on the supplier page. Selecting a result fills the generator and does not start a generation.

Part numberDatasheet URL (optional)

Up to 6 files / 20 MB each / 22 MB total

Also build the 3D STEP model (×2, paid plans)

FAQ

Common questions

How do I add the generated symbol to KiCad?: Open Preferences → Manage Symbol Libraries, add the downloaded .kicad_sym as a new library row (global or project scope), and the part appears in the Add Symbol dialog. Its Footprint field already points at the matching footprint, which you register the same way under Manage Footprint Libraries.
Will the symbol pass KiCad ERC?: Pins carry electrical types (power input, output, bidirectional, passive, and so on) taken from the datasheet, so ERC runs meaningfully. Always review the pin map shown after generation before trusting it in a production schematic.
Can I fix one wrong pin without starting over?: Yes. Type the correction in the refine box, for example "pin 12 is RESET, active low", and the same symbol is revised with the footprint link kept intact.

Need a different tool? AI KiCad Part Generator · Altium Designer Part Generator · EAGLE Library Generator · Cadence Allegro Footprint Generator · Datasheet → Schematic Symbol, Automatically · AI Schematic Symbol Generator · AI PCB Footprint Generator · KiCad Footprint Generator