Freemium
OpenGraph
Preview how links look on social media and generate OG images
Online UtilitiesPreview Open Graph tags
Alternatives to OGimage.gallery
12 tools like OGimage.gallery, chosen by what they do. About OGimage.gallery
Open source
IT Tools
Free collection of online tools for developers and IT work
Online UtilitiesHandy tools for developers
Open source
JSON Crack
Visualize JSON, YAML, CSV and XML as interactive graphs
Online UtilitiesVisualize JSON as graphs
Free
DummyJSON
Free fake REST API with placeholder JSON data for testing
Online UtilitiesFake REST data for testing
Open source
DevToys
Offline desktop toolkit with 30 tools for everyday developer tasks
Online UtilitiesOffline developer utilities
Free
JWT.io
Decode, verify and generate JSON Web Tokens in your browser
Online UtilitiesDecode and verify JWTs
Open source
quicktype
Generates typed models from JSON, JSON Schema and GraphQL
Online UtilitiesJSON to types generator
Open source
Transform
Converts code between formats such as JSON, YAML, SVG and TypeScript
Online UtilitiesConvert code between formats
Curated
UUID Generator
Generate random version 4 UUIDs online, one at a time or in bulk
Online UtilitiesGenerate UUIDs online
Popular
Crontab Guru
Cron schedule editor that explains expressions in plain English
Online UtilitiesCron expression editor
Open source
CyberChef
Browser tool for encoding, encryption, compression and data analysis
Online UtilitiesThe cyber swiss army knife
Open source
RegExr
Learn, build and test regular expressions with live matching
Online UtilitiesLearn and test regexInactive