Browser-only developer intelligence
Validate, generate, and debug real-world data.
Global utilities and country-aware workbenches for identifiers, payments, banking formats, local fixtures, and parser diagnostics. Private by default, precise before production.
194premium hubs
12704workbenches
358identifier families
7core locales
Global Tools
Fast utilities that are not tied to one country.
Open the universal workbenches for payloads, encoding, tokens, identifiers, regexes, and cross-country IBAN workflows.
JSON
JSON Formatter
Format, inspect, and copy clean payloads.
JWT
JWT Decoder
Decode token headers and claims locally.
Base64
Base64 Encoder
Encode browser-only test strings.
URL
URL Encoder
Encode query strings and route-safe values.
Regex
Regex Tester
Test pattern behavior before shipping.
UUID
UUID Generator
Generate copy-ready identifiers.
IBAN
IBAN Validator
Validate global ISO 13616 shape and MOD-97.
IBAN Generator
IBAN Generator
Create structural IBAN fixtures for supported countries.
Schema
JSON Schema Workbench
Inspect JSON Schema contracts before handoff.
OpenAPI
OpenAPI / Swagger Inspector
Debug Swagger and OpenAPI payload contracts.
Webhook
Webhook Signature Verifier & Generator
Replay webhook signature evidence locally.
Headers
HTTP Headers & Security Headers Inspector
Audit HTTP security headers before launch.
PII
Secret & PII Scanner Redactor
Mask secrets and personal data in debug text.
CSV
CSV Locale Repair & Normalizer
Normalize locale-heavy CSV data safely.
BIC
SWIFT / BIC Validator & Generator
Inspect SWIFT/BIC bank routing shape.
Local Instruments
Premium country tools with real debugging depth.
Identity, registry, tax, payment, and banking workbenches with local samples, validation replay, field breakdown, and official-boundary notes.
Poland
Pesel Validator
PESEL checksum, date, gender, and debugger.
Brazil
Brazil PIX Validator
PIX payload checks and payment handoff context.
France
France Siret Validator
SIRET/SIREN/NIC evidence and registry boundary.
Germany
German TAX ID Validator
IdNr structure, control evidence, and fixtures.
Netherlands
Netherlands BSN Validator
BSN 11-test replay and field-level output.
Czechia
Czechia Rodne Cislo Validator
Rodne cislo parser, date evidence, and review states.
Ukraine
Ukraine Rnokpp Validator
RNOKPP local structure and safe fixture handling.
Italy
Italy Codice Fiscale Validator
Codice fiscale parser and local evidence slices.
Spain
Spain ID Validator
DNI/NIE/NIF replay with local review states.
Mexico
Mexico Curp Validator
CURP anatomy, checksum, date, and state evidence.
Brazil
Brazil CPF Validator
CPF checksum replay and fixture-safe output.
Brazil
Brazil Cnpj Validator
CNPJ company identifier replay and masks.
Poland
Poland NIP Validator
NIP tax checksum and wrong-prefix evidence.
France
France Siren Validator
SIREN company-number structure and boundary.
Netherlands
Netherlands KVK Number Validator
KVK registry number shape and local diagnostics.
Generators
Generate fixtures when validation is not enough.
Use fresh browser-only values for tests, demos, forms, and QA flows. Generation belongs next to validation so users can both inspect and create.
Global
IBAN Generator
IBAN generator for structural fixtures.
Poland
Poland Iban Generator
Generate Polish IBAN/NRB-style fixtures.
France
France Iban Generator
Generate French IBAN test data.
Germany
Germany Iban Generator
Generate German IBAN test data.
Netherlands
Netherlands Iban Generator
Generate Dutch IBAN fixtures.
Spain
Spain Iban Generator
Generate Spanish IBAN fixtures.
Italy
Italy Iban Generator
Generate Italian IBAN fixtures.
Switzerland
Switzerland Iban Generator
Generate Swiss IBAN fixtures.
Ukraine
Ukraine Iban Generator
Generate Ukrainian IBAN fixtures.
Brazil
Brazil PIX QR Payload Generator
Generate Pix QR payload fixtures.
Brazil
Brazil Test Data Generator
Generate Brazilian local test records.
Global
Locale Test Data Generator
Generate locale-aware test values.
Poland
Poland Test Data Generator
Generate Polish local test fixtures.
France
France Personal Data Fixture Generator
Generate French personal-data fixtures.
Germany
German Personal Data Fixture Generator
Generate German personal-data fixtures.
World Coverage
A quiet atlas for local developer work.
All 194 country hubs are reachable from one neutral map surface. Hover for a shape preview and integration snapshot; click to open the local developer portal.
馃實
Choose a country
Hover or focus the map
- ISO
- --
- Capital
- --
- Currency
- --
- Tools
- --
Local identifiers and payment formats.
Country Intelligence
Browse premium country hubs.
Each full-premium country is generated from the same strict contract: useful local tools, readable visual identity, field-level debugging, and no fake official lookup promises.
馃嚙馃嚪
Brazil
61 local workbenches
馃嚨馃嚤
Poland
36 local workbenches
馃嚝馃嚪
France
64 local workbenches
馃嚦馃嚤
Netherlands
63 local workbenches
馃嚛馃嚜
Germany
60 local workbenches
馃嚠馃嚬
Italy
60 local workbenches
馃嚜馃嚫
Spain
60 local workbenches
馃嚚馃嚟
Switzerland
58 local workbenches
馃嚥馃嚱
Mexico
61 local workbenches
馃嚞馃嚙
United Kingdom
62 local workbenches
馃嚭馃嚫
United States
61 local workbenches
馃嚚馃嚘
Canada
61 local workbenches
馃嚘馃嚭
Australia
62 local workbenches
馃嚡馃嚨
Japan
62 local workbenches
馃嚭馃嚘
Ukraine
62 local workbenches
Open all 194 country hubs
Premium Contract
Every serious tool needs more than a green check.
Explain the fieldsNamed slices, local meaning, checksums, masks, and copy-safe values.
Show the pipelinePass/review states must match the sample, with green success and clear invalid paths.
Generate fixturesWhen the domain supports generation, give users fresh browser-only test data.
Name the boundaryOffline structure is not official registry status; the page says exactly where that line is.