All tools

168 tools, all free. Filter by what you are doing or who you are.

168 tools

Addresses5

Address converterTurn any TON address into raw, bounceable, non-bounceable and testnet forms. Local only ADNL address converterConvert ADNL addresses between hex, base64 and the 55-character .adnl form. Local only Bulk address converterConvert, validate and deduplicate a whole list or CSV of TON addresses at once. Local only Contract address from StateInitCompute a contract address before deploy from its StateInit or code + initial data. Local only Explorer link switcherOpen the same TON address or transaction on Tonviewer, Tonscan and other explorers. Local only

Wallets & keys10

BIP39 phrase to TON addressFind the TON wallets behind a Trust Wallet or Ledger (BIP39) seed phrase, offline. Local only Find my other wallet versionsLost funds after a wallet upgrade? See every wallet version your key controls, with balances.Highload wallet v3 helperHighload v3 address, query id encoder, processed check and unsigned batch builder (254+ transfers).Mnemonic checker (TON vs BIP39)Is your seed phrase a TON mnemonic, a BIP39 one, both or neither? Typos flagged. Local only Mnemonic generatorCreate a 24-word TON seed phrase, its keys and wallet addresses, offline. Local only Seed phrase to wallet addressesSee the keys and every wallet address (v1–W5) behind a 24-word TON seed phrase. Local only Vanity wallet address generatorFind a TON wallet address that starts or ends with your word, in your browser. Local only W5 wallet_id calculatorBuild or decode a W5 (v5R1) wallet_id and v3/v4 subwallet_id, and see the address. Local only Wallet address from public keyEvery TON wallet address (v1–W5) a public key controls, with optional balance check. Local only Wallet version detectorWhich wallet contract is this? v1–v5 (W5), highload, vesting or multisig, plus seqno, key, wallet id

Units & formatting1

GRAM ⇄ nanoGRAMConvert GRAM (formerly Toncoin) to nanoGRAM (nanoTON) and back with exact math. Local only

Cells & BOC11

BOC converterConvert a bag of cells between base64, base64url, hex and .boc files, and inspect its header. Local only Cell layout calculatorCount the bits and refs of a cell layout, check the 1023-bit / 4-ref limits and estimate fees. Local only Cell tree viewerExplore a BOC as a tree: every cell's bits, refs, type, level, depth and hashes. Local only Dictionary (HashmapE) encoder and decoderDecode a TON dictionary cell to JSON, or build one from JSON. Jetton metadata, airdrops, configs. Local only Merkle proof builder and verifierVerify a TON Merkle proof against a root hash, see what it proves, or build proofs for dict keys. Local only Message hash toolMessage hash, normalized external hash (TEP-467) and body hash of a BOC, then find its transaction Snake string codecEncode text or bytes into snake cells (comment, TEP-64 snake or chunked) and decode them back. Local only StateInit builder and decoderBuild a StateInit with libraries, tick-tock and fixed prefix, or decode one from a deploy message. Local only TL-B playgroundDecode any cell with a TL-B schema into JSON, edit it, and encode it back to a BOC. Local only TL-B to TypeScript generatorTurn a TL-B schema into typed TypeScript load/store functions for @ton/core. Local only TVM stack converterConvert get-method stacks between toncenter v2/v3, tonapi, @ton/core and VmStack BOC. Build args. Local only

Smart contracts11

Contract inspectorSee what a contract is: code hash, interfaces, get-methods, compiler, code and data.Deploy any contractDeploy a contract from its code and data BOC (or a StateInit) through your wallet.FunC to Tolk converterConvert FunC contracts to Tolk in your browser, with warnings and a Tolk 1.5 compile check. Local only Get-method runnerCall any get-method on any contract with typed arguments and read decoded results.Library cell resolverFind library cells in contract code and fetch the real code they point to.Local get-method emulatorRun get-methods in a local TVM with your own balance, time, data or code: gas, exit code and VM log.Public library publisherPublish a code cell as a public masterchain library, with the exact 10-year storage cost.Smart contract disassemblerTurn contract code (address or BOC) into readable TVM assembly, method by method; diff two contracts Tolk / FunC compiler playgroundCompile Tolk or FunC in your browser: Fift, code BOC, code hash, deploy address and get methods. Local only TVM assemblerAssemble TVM assembly (TASM or the Fift PROGRAM{…} that FunC/Tolk emit) into a code BOC and hash. Local only Verified source lookupCheck if a contract has verified source on verifier.ton.org and read its files.

Transactions15

Comment payload builderTurn text into a TON comment payload (BOC) and back; encrypt or decrypt encrypted comments locally Local only External message builder & broadcasterCheck and broadcast a signed external BOC (sendBoc), sign a testnet transfer or wrap a raw external Extra currency inspector & senderSee an account's TON extra currency balances and send them through TonConnect (extraCurrency).History CSV export (tax report)Export a wallet's GRAM and jetton movements for a date range to CSV, with fiat values.Internal message builderCompose an internal message (destination, value, bounce, body, StateInit) and export or send it.Jetton transfer & burn builderBuild TEP-74 jetton transfer/burn and TEP-89 provide_wallet_address bodies; send via TonConnect.Message body decoderDecode any message body or transaction: jettons, NFTs, comments, W5/v4/highload wallet requests Message emulator (dry run)Dry-run a transfer or a signed external message on live state: full trace, fees, exit codes.NFT & SBT message builderBuild TEP-62 NFT transfer / get_static_data and TEP-85 SBT messages; send via TonConnect.Payment receiptTurn a tx hash into a clean proof-of-payment receipt to print, save as PDF or PNG.Transaction BOC decoderDecode a transaction BOC or hash: every phase, exit codes, gas, fees and decoded messages.Transaction historyAny wallet's history in plain language, with filters by type and token.Transaction lookup & explainerPaste a tx hash or explorer link: see what happened, the full trace, fees and why a step failed.Transaction re-tracer (step-by-step TVM)Re-run a past transaction in a local TVM and step through every instruction, stack and gas.Wallet V5 actions builderBuild and decode W5 wallet requests: batched transfers, add/remove extension, signature on/off. Local only

Jettons12

Gasless jetton transfer estimatorSee which jettons can pay their own fees and what a gasless transfer costs in that token.Holders snapshotAll holders of a jetton or owners of an NFT collection, filtered and exported to CSV.Jetton (token) infoFull card for any TON token: supply, holders, admin, verification, price, chart and DEX pools.Jetton & NFT metadata validatorWhy does my token or NFT show no name or image? Check the metadata like a wallet would.Jetton metadata encoder / decoderDecode a jetton's TEP-64 content cell into JSON, or build an on-chain / off-chain content cell.Jetton top holdersBiggest holders of a TON token, their share of supply and how concentrated it is.Jetton transfer historyEvery transfer, mint and burn of one token for a wallet, with comments and counterparties.Jetton wallet address calculatorFind the jetton wallet address of an owner for any token, one or thousands at once.Mintless airdrop claimCheck if your address has a mintless jetton airdrop and claim it with your wallet.Mintless jetton airdrop builderTurn a CSV of owners and amounts into the Merkle root, proofs and claim data for a mintless jetton Local only Token listBrowse TON jettons by liquidity, market cap or volume, with verification badges.USD₮ wallet lock checkerCheck if your USD₮ (or other governed token) wallet was locked by the issuer.

NFTs8

NFT collection explorerCollection details, item browser, holder count and top holders for any TON NFT collection.NFT content & royalty codecBuild or decode TEP-64 NFT content, collection content and TEP-66 royalty cells; read them on-chain NFT item viewerImage, attributes, owner, sale price, royalty and SBT status of any TON NFT.NFT listing managerSee every NFT you have listed for sale, cancel listings in bulk or change their price.NFT ownership historyMints, transfers, listings and sales with prices for one NFT or a whole wallet.NFT rarity calculatorRarity score and rank for every item of a TON NFT collection, from its traits.Spam NFT cleanerFind scam and spam NFTs in a wallet, test which can really be burned, and burn those in one go.Wallet NFT galleryEvery NFT a wallet owns, grouped by collection, with spam hidden and CSV export.

DNS & domains8

Bid on a .ton domainStart an auction for a free .ton name, outbid the current leader, or claim an expired domain.Bulk .ton domain availabilityPaste up to 500 names and see which .ton domains are free, in auction or taken.Domain expiry checkerSee when each .ton domain of a wallet expires and save renewal reminders to your calendar.Edit .ton domain recordsPoint your .ton domain to a wallet, a TON Site, a TON Storage bag or a subdomain resolver.Live DNS auctionsEvery running .ton domain and Telegram username auction with current bid and time left.Renew .ton domainsRenew one or all of your .ton domains for another year in a single wallet transaction.Reverse DNS lookupFind the .ton domains and Telegram usernames that point to or belong to an address.TON DNS lookupCheck a .ton domain: free, in auction or owned, expiry date, owner and DNS records.

Lookup11

Account overviewBalance, wallet type, last activity, domains, tokens and scam flags for any TON address or .ton name Account state at a past dateSee any account's balance, code, data and get-method results as of a past date or block.Address watchlistSave TON addresses with labels in your browser and see their balances and activity at a glance.Balance change between datesHow much GRAM a wallet gained or lost between two dates, with a balance chart.Bulk balance checkerPaste up to 1,000 addresses or a CSV: GRAM balance, status, wallet type and a jetton balance each.Fund flow graphMap who sent what to whom around an address, hop by hop, to trace funds to an exchange.Multisig wallet viewerSigners, threshold and orders of a TON multisig v2 wallet, or the multisigs a wallet signs for.Name and service searchFind the verified TON address of an exchange, service, token or .ton name before you send.Portfolio viewerTotal value of one or more TON wallets: GRAM, jettons and staking, in your currency.TON Wrapped: wallet year in reviewA shareable card of any wallet's year on TON: volume, fees, swaps, NFTs, top tokens and contacts.Vesting wallet viewerHow much is still locked in a vesting wallet, what is unlocked now and when the next unlock is.

Network11

Block and shard inspectorBrowse masterchain blocks and their shard blocks, and find which shard an address lives in.Blockchain config viewerEvery TON config param decoded: fees, gas, limits, validators, version. Diff with past blocks.Config proposals and votesOpen proposals to change the TON blockchain config, decoded, with validator vote progress.Fee calculator (gas, forward, storage)Exact TON gas, message forward and storage fees from the live network config.GRAM supply and burn statsTotal and circulating GRAM supply, market cap, validator stake, issuance and fee burning.Network statusLive TON block height, block time, API health and current fees at a glance.Rich listThe TON accounts holding the most GRAM, with names, account type and share of supply.Storage rent & freeze estimatorYearly storage rent of any address, when it could freeze, and how much to keep.TON Storage providersCompare TON Storage providers by price and file limits, and estimate what storing a file costs.Validators and electionsCurrent TON validator set, the open election, its participants and the stake needed to get in.Whale watchLive feed of large GRAM and USD₮ transfers on TON, with exchange and known-entity labels.

Crypto & encoding3

Ed25519 sign and verifySign data or a cell hash with an Ed25519 key, verify signatures and wallet messages. Local only Encoding converterConvert bytes between hex, base64, base64url, base32, UTF-8 text and big integers. Local only Hash and checksum utilitiesSHA-256, SHA-512, CRC-16, CRC-32, CRC-32C, HMAC and PBKDF2 for text, bytes or files. Local only

Developer utilities9

Get-method ID calculatorGet-method name to numeric method_id and back, or list the get-methods of any contract.query_id generator & decoderGenerate uint64 query_ids (random, timestamp, sequential) and decode the time inside one. Local only Testnet faucets and hubGet free test GRAM: faucets, your testnet address, balance check, explorers and API endpoints.Timestamp, valid_until & lt helperUnix time ⇄ date, valid_until for wallets and TonConnect, chain clock and lt lookup.TL-B opcode (crc32) calculatorCompute the crc32 op code of a TL-B constructor and check explicit #tags. Local only TON API request builderTry any toncenter v2/v3 or tonapi endpoint from your browser and copy it as curl, fetch or @ton/ton.TonConnect manifest generator and checkerCreate a tonconnect-manifest.json, or check a hosted one the way wallets fetch it.TonConnect transaction testerPaste a sendTransaction request, check it against the spec and your wallet, send it, see the trace.TonConnect wallets and bridge statusEvery TonConnect wallet with its platforms, features and bridge, plus a live bridge check.

Safety checks10

Address compare (anti-poisoning)Check if two TON addresses are the same account and catch look-alike poisoning scams. Local only Address poisoning detectorFind fake look-alike addresses planted in your wallet history so you never copy one.Is it safe to send?Pre-flight check for a destination address before you send GRAM, tokens or an NFT.Scam checkerCheck any address, token or NFT against scam lists, known labels and spam behaviour.Token safety checkRug-pull risk check for a jetton: admin, minting, holders, liquidity, code and metadata.TonConnect link checkerIs this "Connect wallet" link or QR safe? See which site asks, what for, and hidden transactions.TonConnect ton_proof verifierDebug TonConnect login: verify a ton_proof step by step and see every byte and hash.Verify a signed messageCheck that a TON wallet really signed a message: signData, ton_proof or raw Ed25519.Wallet security checkupOne-page health check: plugins, W5 extensions, scam tokens and NFTs, poisoning, expiring domains.Wallet subscriptions and pluginsSee which subscriptions, plugins or W5 extensions can take funds from a wallet without asking.

Send & sign11

Bulk GRAM senderSend GRAM (formerly Toncoin) to a CSV list of addresses in as few wallet approvals as possible.Bulk jetton & USD₮ senderAirdrop or pay out USD₮ or any jetton to a CSV list from your wallet, in as few approvals as you can Burn jettons and clean spam tokensPermanently burn unwanted or spam jettons from your wallet, several at once.Create a multisig walletDeploy an official multisig v2 wallet: pick the signers, proposers and how many must approve.Gasless USD₮ send (no GRAM needed)Send USD₮ or another supported token with the fee paid in that token, without holding GRAM.Move everything to a new walletMove every token, NFT, .ton domain and the remaining GRAM from an old wallet to a new one.Send GRAM with a commentSend GRAM (formerly Toncoin) to an address or .ton name, with a comment, from your wallet.Send jettons (USDT and other tokens)Send USD₮, NOT, DOGS or any jetton with a comment, from your own wallet.Sign and verify a messageProve you own a TON wallet: sign a text with your wallet, or verify someone else's signature.Transfer NFTs, domains and usernamesSend one or many NFTs, .ton domains or Telegram usernames to another wallet.Unfreeze a frozen accountRestore a contract or wallet frozen for unpaid storage fees, with the exact pre-freeze state.

Token launch4

Jetton admin panelMint more, hand over or renounce admin, and edit metadata of a jetton you control.Jetton deployerCreate your own TON token: name, symbol, logo and supply, deployed from your wallet.NFT collection deployerCreate a TEP-62 NFT collection, mint items one by one or in batches, edit content or change owner.Vesting wallet creatorLock GRAM for a team member or investor with a cliff and monthly unlocks, deployed from your wallet.

Staking5

My staking positionsSee every stake of a wallet: pools, tsTON and other liquid tokens, pending withdrawals.Single nominator pool owner toolInspect a single nominator pool and withdraw or change the validator from the owner wallet.Stake and unstakeStake GRAM in Tonstakers, TON Whales or a nominator pool, or withdraw, from your wallet.Staking pools explorerCompare every way to stake GRAM: liquid staking, TON Whales and nominator pools.Staking rewards calculatorProject GRAM staking rewards per round, month and year, with compounding and fees.

Payments5

“Pay with TON” button generatorGet a copy-paste HTML button (and optional QR) that lets visitors pay you in GRAM or USD₮. Local only Invoice & payment watcherCreate a one-off GRAM or USD₮ invoice and watch live until the payment arrives.Payment link & QR decoderSee what a ton:// or Keeper payment link or QR really asks you to pay, before you open it.Payment link & QR generatorCreate a GRAM or USD₮ payment link and QR code anyone can pay from their TON wallet. Local only Shareable checkout pageA payment page you can share: payers pay GRAM or USD₮ with TonConnect or a QR code.

DeFi7

DEX pool explorerFind STON.fi and DeDust pools for any token: liquidity, volume, fees, APY, reserves.GRAM & jetton price converterConvert GRAM (formerly Toncoin), any jetton and 29 fiat currencies at live rates.Impermanent loss calculatorHow much a STON.fi or DeDust liquidity position loses versus simply holding the two tokens. Local only LP positions viewerA wallet’s STON.fi and DeDust liquidity: underlying tokens, pool share, value and farm stakes.Price chartPrice history of GRAM (formerly Toncoin) or any jetton in USD, EUR, GRAM and more.Swap quote comparisonCompare swap quotes on STON.fi, DeDust and the swap.coffee aggregator before you trade.Token swapSwap GRAM and jettons at the best route across TON DEXes, signed in your wallet.

Telegram4

Telegram collectibles in a walletAll Fragment usernames, +888 numbers and Telegram gift NFTs a wallet holds, plus scam NFT warnings.Telegram Mini App initData validatorCheck a Mini App initData hash with your bot token, or its Ed25519 signature with just the bot ID. Local only Telegram Mini App link builderBuild and decode t.me links for bots and Mini Apps: startapp, start, attach menu, full-screen mode Local only Telegram username and number lookupIs an @username or +888 number a Fragment NFT? See owner, sale price, auction and transfers.

Reference7

FunC / Tolk / Tact cheat sheetsSide-by-side Tolk, FunC and Tact: messages, cells, storage, send modes and the FunC→Tolk map. Local only Op code lookupFind what a 32-bit op code means: jetton, NFT, wallet, DEX and staking messages with TL-B.Send mode & reserve mode calculatorCompose or decode SENDRAWMSG send modes (3, 64, 128 + 32…) and RAWRESERVE modes. Local only 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 TVM instruction referenceSearch all 912 TVM instructions by mnemonic or bytecode: stack effect, gas and encoding. Local only