Free B2B Automation Tools
A growing toolkit of browser-based calculators, lookups and generators for teams running n8n, Make.com and Zapier. No paywall. No data leaves your browser.
B2B API Rate Limit Checker
Look up rate limits and webhook constraints across the APIs your stack depends on.
Open tool CalculatoriPaaS Migration Cost Calculator
Zapier vs. Make vs. n8n — estimate the true cost of switching platforms before you commit.
Open tool AI & LLMOpenAI Strict JSON Schema Generator
Generate strict JSON Schemas for OpenAI structured outputs that validate the first time.
Open tool APIAPI Pagination Loop Generator
Generate cursor, offset and page-based pagination logic for any API in one click.
Open tool DataB2B CRM Regex & E.164 Phone Formatter
Normalise phone numbers to E.164 for Twilio and WhatsApp with copy-paste regex.
Open tool DataWebhook JSON Escaper & Stringifier
Fix malformed JSON and escape/stringify payloads before they break your webhook.
Open tool DataJSON Path & Dot-Notation Finder
Paste any JSON and get the exact dot-notation path for Make.com and n8n extractors.
Open tool APIAPI Rate Limit & “Sleep” Calculator
Stop hitting 429 errors — calculate the exact delay your loop needs to stay under the limit.
Open tool AI & LLMBulk LLM API Cost Estimator
Estimate token counts and spend across OpenAI and Anthropic models, in bulk.
Open tool AI & LLMRAG Text Chunker & Overlap Calculator
A free LangChain alternative — tune chunk size and overlap for cleaner RAG pipelines.
Open tool Templaten8n PDF Invoice Parser Template
A GPT-4o-powered n8n template that extracts structured data from PDF invoices.
Open tool Templaten8n Salesforce → PostgreSQL Sync Template
Keep Salesforce and PostgreSQL in sync — no duplicate records, ready to import.
Open tool APIWordPress REST API Auth Generator
Build the Base64 Authorization header for WordPress REST API requests instantly.
Open tool DataJSON → PostgreSQL Schema Generator
Turn a JSON webhook payload into a ready-to-run PostgreSQL table schema.
Open tool Calculatorn8n Workflow Cost Calculator
Cloud vs. Make.com vs. self-hosted — model your real n8n running costs in seconds.
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