Local-first admin utilities

Developer tools that stay in your browser.

AdminForge is a focused workbench for formatting payloads, inspecting tokens, creating identifiers, testing patterns, and generating small artifacts without uploading data anywhere.

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21 browser tools
0 server uploads
7 workflows
Workflows

Pick the kind of work first.

Data & Encoding Format, transform, encode, and decode structured data used in APIs, links, payloads, and frontend code. 7 tools Security & Identity Inspect tokens, generate credentials, create hashes, and produce identifiers for auth, storage, and logs. 4 tools Automation & Patterns Build repeatable schedules and test text-matching rules before they land in scripts, jobs, or apps. 2 tools Network & Web Inspect HTTP, browser, IP, and network data used when debugging web systems and infrastructure. 3 tools Text & Documents Compare, format, preview, and transform developer-facing text formats and documents. 3 tools Design Convert visual values and check interface colors without leaving the browser. 1 tools Sharing Turn links, text, and connection details into portable artifacts for people and devices. 1 tools
Common tasks

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Format an API response JSON formatter Inspect an auth token JWT decoder Generate release IDs UUID v4/v7 Convert log timestamps Timestamp converter Test a log pattern Regex debugger Check subnet ranges CIDR calculator Inspect response headers HTTP headers Share Wi-Fi or a link QR generator Schedule a job Cron builder
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Security & Identity

UUID v4, v7 and v5 Generator

Generate UUID v4, sortable UUID v7, namespace UUID v3/v5, GUID, URN, and hyphenless identifiers, then validate UUID strings locally.

#uuid#uuid generator#uuid v4 generator#uuid v7 generator#uuid v5 generator#namespace uuid#uuid validator#guid generator#urn uuid
Data & Encoding

JSON Formatter & Validator

Format, validate, pretty print, and minify JSON data in your browser for API responses, configuration files, and debugging.

#json#json formatter#json validator#pretty print#minify
Security & Identity

JWT Decoder and Encoder

Decode JWT tokens, inspect JSON payloads, verify signatures with a secret, and generate HS256 tokens locally in your browser.

#jwt#jwt decoder#jwt encoder#auth#security#token
Data & Encoding

Timestamp Converter

Convert Unix timestamps, ISO dates, local time, UTC time, and timezone offsets directly in your browser.

#timestamp#unix time#epoch#iso date#timezone#date converter
Network & Web

CIDR and IP Subnet Calculator

Calculate IPv4 network ranges, masks, usable hosts, broadcast addresses, and CIDR prefix details.

#cidr#subnet#ip calculator#network#ipv4#netmask
Data & Encoding

YAML Formatter and YAML to JSON

Format simple YAML, convert YAML to JSON, and convert JSON back to readable YAML for configs and manifests.

#yaml#yaml formatter#yaml to json#json to yaml#config
Security & Identity

Password Generator

Generate secure random passwords with customizable length, uppercase, lowercase, digits, and symbols for strong credentials.

#password#password generator#secure password#random password#credential#password strength
Automation & Patterns

Regex Tester & Debugger

Test, debug and replace with regular expressions. Supports Match/Test/Replace modes, positional and named groups, replacement patterns ($1, $&), global matching and detailed match reports.

#regex#regular expression#regex tester#regex debugger#pattern matching#test regex
Network & Web

HTTP Headers Analyzer

Parse HTTP headers into a table and highlight cache, security, CORS, and content negotiation signals.

#http headers#headers analyzer#cache headers#security headers#cors
Text & Documents

Text and JSON Diff Checker

Compare two text or JSON snippets side by side and review added, removed, and changed lines locally.

#diff#text diff#json diff#compare text#compare json
Design

Color Converter and Contrast Checker

Convert HEX, RGB, and HSL colors and check WCAG contrast ratios for accessible UI color pairs.

#color converter#hex#rgb#hsl#contrast checker#wcag