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Micro-tools that run at the edge

14 developer tools with edge-fast responses — free, instant, and built to help you ship.

14 tools liveOpen source14/100 shipped

Tools14 live

Showing 14 tools14/100 shipped on Workers

BodyLedger

AI

Snap food — see long-term body impact over days, years, and old age.

TypeAI
CategoryAI
Openbodyledger

ChangeBell

Get emailed when a page changes — autonomous edge monitoring.

TypeMonitor
CategoryMonitor
Openchangebell

Serpeo

See your page the way Google displays it — SEO checks, evidence, fixes.

TypeSEO
CategorySEO
Openserpeo

Specter

See your site the way an attacker sees it — headers, exposed files, misconfigs.

TypeSecurity
CategorySecurity
Openspecter

PromptGuard

AI

A prompt-injection firewall your agent calls before your LLM.

TypeAI
CategorySecurity
Openpromptguard

DocToMD

AI

Documents in, clean Markdown out. Workers AI.

TypeAI
CategoryAI
Opendoctomd

WebDigest AI

AI

Any page, summarized by Workers AI at the edge.

TypeAI
CategoryAI
Opendigest

Redirect Chain Tracer

Every hop a URL takes before it lands, exposed.

TypeDebug
CategoryLinks
Opentracer

Dead Man's Switch

If you stop checking in, it tells someone. KV + cron.

TypeSecurity
CategoryMonitor
Opendeadman

APIThrottle

An adaptive rate limiter you put in front of anything.

TypeSecurity
CategorySecurity
Openthrottle

HireWire

A "hire me" form backend for static portfolios.

TypeSaaS
CategoryForms
Openhirewire

URL Shortener

KV-backed short links you own, with click counts.

TypeTools
CategoryLinks
Openurlshort

Dynamic OG Images

Social preview images generated from URL params, at the edge.

TypeGenerator
CategoryImages
Openog

URL Metadata API

Title, description, and OG tags from any URL, as JSON.

TypeAPI
CategoryAPI
Openmetadata

Every demo runs on the thing it showcases86 slots left

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