Validation · catch obvious format errors
Web input preflight
Run focused syntax checks on common values before they reach forms, imports, tickets or integration payloads.
Who this is for
Support, QA, implementation and web operations teams
Target outcome
Catch malformed identifiers and payload strings early without pretending that syntax equals real-world validity.
Boundary
A passing syntax check does not verify ownership, existence, deliverability, authenticity or authorization.
Working set
Pick the smallest tool that finishes the step.
UUID v4 Validator
Check whether pasted text is specifically a version 4 UUID.
Engine: validator.js
Source: External GitHub OSS
IPv4 Address Validator
Check whether pasted text is specifically a valid IPv4 address.
Engine: validator.js
Source: External GitHub OSS
IPv6 Address Validator
Check whether pasted text is specifically a valid IPv6 address.
Engine: validator.js
Source: External GitHub OSS
IP Range Validator
Check whether pasted text is valid IPv4 or IPv6 CIDR range syntax.
Engine: validator.js
Source: External GitHub OSS
UK Postcode Syntax Validator
Check whether pasted text follows validator.js United Kingdom postal-code syntax. This does not verify an address.
Engine: validator.js
Source: External GitHub OSS
ISO 8601 Date & Time Validator
Check whether a pasted date or date-time follows ISO 8601 syntax.
Engine: validator.js
Source: External GitHub OSS
Mailto URI Validator
Check whether pasted text follows mailto: URI syntax locally.
Engine: validator.js
Source: External GitHub OSS
Data URI Validator
Check whether pasted text follows data: URI syntax locally in the browser.
Engine: validator.js
Source: External GitHub OSS
JSON String Validator
Check whether pasted text is valid JSON using validator.js 13.15.35 rules.
Engine: validator.js
Source: External GitHub OSS
JWT Structure Validator
Check whether pasted text has JSON Web Token structure. This does not verify signatures, claims or trust.
Engine: validator.js
Source: External GitHub OSS
Workflow ladder
One-off job
Open one tool, finish the immediate step and leave. No account is required.
Repeatable local flow
If supported operations repeat, chain them in the executable local workspace instead of copying output across tabs.
Operational workflow
Move to a product only when evidence, monitoring, team controls, orchestration or supported outcomes justify it.
Need a different job?
Use the searchable library when your task does not fit this curated collection.
Pass the useful route forward
Share this collection, not visitor data.
Native share sends only this canonical Solarc route plus public page context. It never includes tool inputs, generated results, uploaded files, local presets or builder state.