Catalog
Every listing is reviewed by a human before it goes live. All figures below are measured from on-chain payments and uptime probes — never self-reported, and there are no user reviews.
11 tools live
CSV to JSON
data · proxy
Parses RFC 4180 CSV into JSON rows, with header detection, delimiter inference and type coercion.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
Cron explain
developer · proxy
Turns a cron expression into plain English, with 5-field and 6-field (seconds) support and validation.
- 7d volume
- $0.0005
- 7d calls
- 1
- Uptime
- —
- Error rate
- —
Echo JSON
utility · proxy
Returns the JSON object you send, unchanged, with server-side call metadata. The reference tool for verifying an end-to-end paid call.
- 7d volume
- $0.007
- 7d calls
- 7
- Uptime
- 100.0%
- Error rate
- 100.0%
HTML to Markdown
text · proxy
Converts an HTML fragment or document to Markdown. Scripts and styles are dropped. Takes HTML you supply; it does not fetch anything.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
JSON Schema validate
data · proxy
Validates a JSON document against a JSON Schema (draft 2020-12, 2019-09, draft-07) and returns every error with its instance path.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
Language detect
text · proxy
Detects the language of a text sample and returns ranked ISO 639-3 candidates with confidence. Runs locally on n-gram models; no external service sees your text.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
Markdown lint
text · proxy
Lints Markdown for trailing whitespace, hard tabs, long lines, heading jumps, missing image alt text, bare URLs and unclosed code fences.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
Regex test
developer · proxy
Tests a JavaScript regular expression against sample text and returns every match with its groups and offsets.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
URL metadata
web · proxy
Fetches one public URL you supply and returns its title, description, canonical URL and OpenGraph tags. Single fetch only — it does not crawl, follow links, or store page content.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
UUID batch
developer · proxy
Generates a batch of cryptographically random UUIDv4s, optionally as compact hex or uppercase.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
Unit convert
utility · proxy
Converts between length, mass, volume, time, digital-storage and temperature units. Exact factors; temperature handles offsets correctly.
- 7d volume
- —
- 7d calls
- —
- Uptime
- —
- Error rate
- —
No measured traffic yet. Metrics appear once the indexer observes on-chain calls.
Payments are final. No refunds. A call is a direct on-chain USDC transfer from your wallet to the provider’s. Once settled, nobody — including Fatstack — can reverse it.