// headache killers

FREE TOOLS

Browser-based utilities that solve real developer headaches. No signup, no tracking, no server. Your data stays in your browser.

2 tools available

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LIVE

FREE TOOL

CSV Flattener

Paste nested JSON. Get a flat CSV. No signup, no limits.

Every Zapier, Airtable, and Make.com user hits the same wall: an API returns nested JSON and their tool needs flat rows. This kills that headache instantly. Two modes: simple dot-notation or full array expansion.

JSONCSVZapierAirtableData

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LIVE

FREE TOOL

Stripe Webhook Validator

Verify webhook signatures instantly. No server needed.

Paste your endpoint secret, payload, and Stripe-Signature header. Get instant HMAC-SHA256 verification with constant-time comparison. Debug signature mismatches in seconds instead of hours.

StripeWebhooksPaymentsDebugHMAC

GOT A HEADACHE WE HAVEN'T KILLED?

Tell us the workflow that's burning your time. If it's a real headache, we'll build the tool.

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