Base64 Encode
FreeEncode text to Base64.
Developer Tools Browser
Developer Tools
18 lightweight tools — 13 free, 5 Pro (unlock for $19.99 when checkout launches).
Tools in this category
Pro tools are visible now and unlock after a one-time payment when Pro goes live.
Base64 Decode
FreeDecode Base64 to text.
Developer Tools Browser
URL Encode
FreePercent-encode URL components.
Developer Tools Browser
URL Decode
FreeDecode percent-encoded URLs.
Developer Tools Browser
UUID Generator
FreeGenerate random UUID v4 values.
Developer Tools Browser
Hash Generator
FreeSHA-256 hashes in the browser.
Developer Tools Browser
JWT Decoder
FreeInspect JWT header and payload.
Developer Tools Browser
HTML Entity Encoder
FreeEscape HTML special characters.
Developer Tools Browser
HTML Entity Decoder
FreeUnescape HTML entities.
Developer Tools Browser
Unix Timestamp
FreeConvert epoch seconds to dates.
Developer Tools Browser
Cron Explainer
FreeDescribe cron expressions in plain English.
Developer Tools Browser
HEX RGB Converter
FreeConvert HEX and RGB colors.
Developer Tools Browser
JSON String Escape
FreeEscape strings for JSON literals.
Developer Tools Browser
HMAC Generator
Pro · Coming soonCreate HMAC-SHA256 signatures.
Developer Tools Browser
Bcrypt Checker
Pro · Coming soonVerify bcrypt hashes (light).
Developer Tools Light backend
OpenAPI Snippet
Pro · Coming soonFormat small OpenAPI fragments.
Developer Tools Browser
User-Agent Parser
Pro · Coming soonParse browser user-agent strings.
Developer Tools Light backend
SemVer Compare
Pro · Coming soonCompare semantic version numbers.
Developer Tools Browser