Tools
Small utilities I've built.
Tools
15 tools
- Base64 Encoder & DecoderEncode text to Base64 and decode it back.
- CIDR / Subnet CalculatorCalculate the network address, IP range, netmask and number of hosts for any IPv4 or IPv6 CIDR block.
- Cron Expression ExplainerTurn a cron expression into plain English and see the next times it will run, in any time zone.
- DNS Lookup, SPF & DKIM GeneratorLook up DNS records over DNS-over-HTTPS, build an SPF record, count its DNS lookups, and generate a DKIM key pair, all from your browser.
- Hash Generator: MD5, SHA & HMACCalculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes and HMACs of text or files.
- JSON Formatter, Validator & MinifierFormat, validate and minify JSON with a collapsible tree view and exact error line and column.
- JSON Web Token (JWT) DebuggerDecode, verify and encode JSON Web Tokens.
- Markdown PreviewWrite Markdown and see it rendered live.
- Password & Secret GeneratorGenerate strong random passwords and secrets with the length and character sets you choose.
- SSL Certificate DecoderDecode a PEM-encoded X.509 certificate or CSR, the type is detected automatically.
- SVG Optimizer & ViewerOptimize SVG files with SVGO and preview the result.
- Text DiffCompare two texts and see what changed, line by line.
- Unix Timestamp ConverterConvert Unix epoch timestamps to dates and dates back to epoch, in any time zone.
- URL Encoder & DecoderPercent-encode and decode URLs and query strings.
- UUID & ULID GeneratorGenerate UUID v1, v3, v4, v5, v6, v7 and ULID identifiers in bulk.
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