Search by task, format, protocol, or output. Published tools are functional workspaces—not placeholder pages.
RFC 3339 Converter helps you convert RFC 3339 between the documented source and target formats, keeping important values, ordering, and normalization choices visible directly in the browser where supported.
RGB to HSL Converter helps you convert RGB to HSL between the documented source and target formats, keeping important values, ordering, and normalization choices visible directly in the browser where supported.
Robots.txt Builder helps you generate Robots.txt from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Robots.txt Generator helps you generate Robots.txt from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Robots.txt Tester helps you use Robots.txt Tester for focused browser, frontend, and web performance tools work with a built-in example, validation feedback, clear limitations, and copy or download actions directly in the browser where supported.
ROT13 Encoder & Decoder helps you encode ROT13 Encoder & into the selected transport or storage representation while preserving Unicode and exposing malformed-input errors directly in the browser where supported.
RSA Key Pair Generator helps you generate RSA Key Pair from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Ruby Formatter helps you format and normalize Ruby with readable indentation, syntax-aware spacing, validation feedback, and copy-ready output directly in the browser where supported.
Ruff Configuration Builder helps you generate Ruff Configuration from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Rule Based Spam Checklist helps you use Rule Based Spam Checklist for focused email and messaging development tools work with a built-in example, validation feedback, clear limitations, and copy or download actions directly in the browser where supported.
Rust Formatter helps you format and normalize Rust with readable indentation, syntax-aware spacing, validation feedback, and copy-ready output directly in the browser where supported.
Rust Panic Parser helps you inspect Rust Panic and expose its important fields, relationships, metadata, warnings, and limitations in a structured result directly in the browser where supported.
Safe Area Calculator helps you calculate Safe Area from explicit inputs, units, assumptions, and intermediate values so the result can be independently reproduced directly in the browser where supported.
Sankey Diagram Builder helps you generate Sankey Diagram from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Savings Plan Calculator helps you calculate Savings Plan from explicit inputs, units, assumptions, and intermediate values so the result can be independently reproduced directly in the browser where supported.
SBOM Format Converter helps you convert SBOM Format between the documented source and target formats, keeping important values, ordering, and normalization choices visible directly in the browser where supported.
SBOM License Report Tool helps you use SBOM License Report Tool for focused package and dependency tools work with a built-in example, validation feedback, clear limitations, and copy or download actions directly in the browser where supported.
Scatter Plot Builder helps you generate Scatter Plot from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Schema Markup & JSON-LD Generator helps you generate Schema.org JSON-LD markup from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Screen Aspect Ratio Calculator helps you calculate Screen Aspect Ratio from explicit inputs, units, assumptions, and intermediate values so the result can be independently reproduced directly in the browser where supported.
SCSS Formatter helps you format and normalize SCSS with readable indentation, syntax-aware spacing, validation feedback, and copy-ready output directly in the browser where supported.
Seconds to Human Time Converter helps you convert Seconds to Human Time between the documented source and target formats, keeping important values, ordering, and normalization choices visible directly in the browser where supported.
Secret Redaction Tool helps you use Secret Redaction Tool for focused logs, debugging, and diagnostics tools work with a built-in example, validation feedback, clear limitations, and copy or download actions directly in the browser where supported.
Secrets Pattern Scanner helps you scan Secrets Pattern for recognizable patterns, risky values, inconsistencies, or compatibility signals and return reviewable findings directly in the browser where supported.
Secure Password Generator helps you generate secure passwords from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Security Header Checker helps you validate Security Header against its documented syntax, structure, required fields, and common edge cases, with precise issues instead of a generic pass/fail directly in the browser where supported.
Seeded Random Data Generator helps you generate Seeded Random Data from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Self Signed Certificate Generator helps you generate Self Signed Certificate from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Semantic App Version Builder helps you generate Semantic App Version from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Semantic Version Calculator helps you calculate Semantic Version from explicit inputs, units, assumptions, and intermediate values so the result can be independently reproduced directly in the browser where supported.
Semantic Version Comparator helps you compare two Semantic Version values and report meaningful additions, removals, changes, and equivalence rules without hiding the original inputs directly in the browser where supported.
Semantic Version Range Tester helps you use Semantic Version Range Tester for focused package and dependency tools work with a built-in example, validation feedback, clear limitations, and copy or download actions directly in the browser where supported.
Sentence Case Converter helps you convert Sentence Case between the documented source and target formats, keeping important values, ordering, and normalization choices visible directly in the browser where supported.
Sequence Diagram Builder helps you generate Sequence Diagram from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Server Sent Events Viewer helps you view Server Sent Events in a structured, readable layout while preserving the source for comparison and highlighting unsupported or malformed content through a protected, rate-limited server request.
Serverless Function Cost Calculator helps you calculate Serverless Function Cost from explicit inputs, units, assumptions, and intermediate values so the result can be independently reproduced directly in the browser where supported.
Service Name Filter helps you use Service Name Filter for focused logs, debugging, and diagnostics tools work with a built-in example, validation feedback, clear limitations, and copy or download actions directly in the browser where supported.
Service Worker Template Builder helps you generate Service Worker Template from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Session Storage Viewer helps you view Session Storage in a structured, readable layout while preserving the source for comparison and highlighting unsupported or malformed content directly in the browser where supported.
SHA-1 Hash Generator helps you generate SHA-1 Hash from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
SHA-384 Hash Generator helps you generate SHA-384 Hash from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
SHA-512 Hash Generator helps you generate SHA-512 Hash from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Shell Script Formatter helps you format and normalize Shell Script with readable indentation, syntax-aware spacing, validation feedback, and copy-ready output directly in the browser where supported.
Shell String Escape helps you use Shell String Escape for focused encoding-and-decoding-tools work with a built-in example, validation feedback, clear limitations, and copy or download actions directly in the browser where supported.
Sitemap Builder helps you generate Sitemap from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Sitemap Diagram Builder helps you generate Sitemap Diagram from labeled options and deterministic templates, with copy, download, reset, and production-review guidance directly in the browser where supported.
Sitemap Validator helps you validate Sitemap against its documented syntax, structure, required fields, and common edge cases, with precise issues instead of a generic pass/fail directly in the browser where supported.
SLA Availability Calculator helps you calculate SLA Availability from explicit inputs, units, assumptions, and intermediate values so the result can be independently reproduced directly in the browser where supported.