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JSON formatting, Base64 encoding, URL encoding, UUID generation, JWT decoding, regex testing, CIDR calculation, and 27 tools in total. Everything runs in your browser — nothing is sent to a server.
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# Data / Format· 6
JSON FormatterPasting a minified API response from your logs to see its actual structureXML FormatterFormatting a SOAP or legacy web service XML response to understand its structureYAML ValidatorSanity-checking a Kubernetes manifest or GitHub Actions workflow before you push or deploy itSQL FormatterFormatting a one-line SQL query dumped from a log tool or APM so it's reviewableHTML FormatterInspecting minified HTML output from a template engine or SSR frameworkMarkdown PreviewerPreviewing a README or GitHub issue/PR draft before you post it
# Encoding / Security· 5
Base64 Encoder/DecoderDecoding what an HTTP Basic Auth header or API key actually containsURL Encoder/DecoderBuilding a URL whose query parameters contain non-ASCII text or symbolsJWT DecoderChecking what's inside an access token you just received — expiry, claims, etc.Hash GeneratorVerifying a downloaded file's checksum against the hash published by its sourcePassword GeneratorIssuing an initial password for a new service account or DB user
# Network· 3
CIDR CalculatorChecking how many IPs a CIDR block reserves while designing a VPC or subnetSubnet CalculatorConverting a subnet mask shown in a router or OS network settings screen into CIDR notation (/24, etc.)IP CalculatorChecking whether the IP in an access restriction or firewall rule is private or public
# Developer· 5
Regex TesterChecking that a form-validation regex actually matches the inputs you intendUUID GeneratorGetting a UUID to use as a new table's primary key or an API request IDUnix Timestamp ConverterFiguring out what actual date and time a Unix timestamp in a log refers toCron GeneratorGetting a cron expression exactly right for a scheduled batch job or CI/CD pipelineColor ConverterConverting a HEX value from a design handoff into HSL so you can tweak lightness/saturation in CSS
# DevOps / Cloud· 8
Dockerfile GeneratorContainerizing an existing Node/Python/Go project for the first time and wanting a starting pointDocker Compose GeneratorSpinning up a local dev environment (app + DB) with docker-compose.yml quickly.gitignore GeneratorGetting a reasonable baseline .gitignore in place right after creating a new repoGit CheatsheetYou know what you want to do (undo the last commit) but can't recall the exact commandKubernetes YAML ValidatorDouble-checking a manifest has the required fields (apiVersion/kind/metadata.name, etc.) before you kubectl apply itTerraform FormatterReading a .tf snippet shared in Slack or a ticket by quickly re-indenting itAWS ARN ParserFiguring out which region and account an ARN in an error log actually points toAWS IAM Policy FormatterFormatting a one-line IAM policy JSON copied from the AWS console so it's reviewable
# Coming soon
AI
AI Error Analyzer / AI Log Analyzer / AI Code Explainer