FunC / Tolk / Tact cheat sheets

Side-by-side cheat sheets for TON smart contract languages: handling and sending messages, building and parsing cells, storage, get-methods, errors, send and reserve modes, and a FunC to Tolk standard library map. Every Tolk and FunC example compiles.

Runs locally in your browserFor developers

Nothing you type here is sent anywhere. You can disconnect from the internet and it still works.

Related tools

Tolk / FunC compiler playgroundCompile Tolk or FunC in your browser: Fift, code BOC, code hash, deploy address and get methods. Local only FunC to Tolk converterConvert FunC contracts to Tolk in your browser, with warnings and a Tolk 1.5 compile check. Local only Send mode & reserve mode calculatorCompose or decode SENDRAWMSG send modes (3, 64, 128 + 32…) and RAWRESERVE modes. Local only TVM instruction referenceSearch all 912 TVM instructions by mnemonic or bytecode: stack effect, gas and encoding. Local only Op code lookupFind what a 32-bit op code means: jetton, NFT, wallet, DEX and staking messages with TL-B.TEP standards indexEvery TON Enhancement Proposal with status, messages and get-methods: jettons, NFTs, DNS… Local only Toncoin → Gram rename explainedToncoin is now Gram (GRAM). Same coin, same network, nothing to migrate. Spot rename scams. Local only TVM exit code lookupWhat does exit code 9, 37 or -14 mean? TVM, action phase, wallet, jetton and Tact codes. Local only