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EST. 2026💻 DEVELOPER TOOLS

The Creative Island · Island 08

Circuit Cove

The developer island — JSON, encodings, regex and IDs.

Every tool runs locally in your terminal-shaped browser tab: nothing you paste is ever uploaded.

▶ Open the tools

The map · the grounds

6 places on this island.

Free, fast and private — every tool opens straight from Google search, works on any phone, and never asks you to sign up.

BLDG AThe Terminal · · format, validate and minify JSON

BLDG BThe Encoder Room · · Base64, URLs and HTML entities

BLDG CThe ID Forge · · UUIDs on demand

BLDG DThe Time Server · · unix timestamps, both directions

BLDG EThe Regex Bench · · test patterns, see matches

BLDG FThe Server Rack · · formatters & more — rack expanding

The tool shed · open 24/7

7 tools, pinned to the board.

🔢JSON Formatter & ValidatorFree JSON formatter, validator and minifier — pretty-print messy JSON, catch syntax errors with their position, or minify for production.Open tool ↗🔗Base64 Encoder/DecoderFree Base64 encoder and decoder — convert text to Base64 and back, fully UTF-8 safe for any language.Open tool ↗🔗URL Encoder/DecoderFree URL encoder and decoder — percent-encode text for query strings or decode %20-style URLs back to readable text.Open tool ↗🪀UUID GeneratorFree UUID v4 generator — create one or many random UUIDs instantly using your browser's cryptographic random source.Open tool ↗HTML Entity Encoder/DecoderFree HTML entity encoder and decoder — escape & and quotes for safe display, or decode &-style entities back to text.Open tool ↗🕓Timestamp ConverterFree Unix timestamp converter — change epoch seconds or milliseconds to a readable date, or turn any date and time into a timestamp.Open tool ↗🔎Regex TesterFree regex tester — paste a pattern and text, see every match highlighted instantly with match count and groups.Open tool ↗

Next on the rack: JSON ↔ CSV converter, CSS/JS minifier and a Markdown previewer (also on Paper Port) — slots being wired.

🔒 Privacy, the island rule

Every tool on Circuit Cove runs entirely in your browser. Nothing you type is uploaded, saved or sent anywhere — no accounts, no tracking. Close the tab and your data is gone, the way it should be. Details: Privacy Policy.

▶ Read everything from Circuit Cove

Island by Rahul Smoothy · part of The Creative Island

THE ARCHIPELAGO

Speedboat dock. Where to next, captain?

The boat runs from this island straight to every other island of the archipelago.

🏝️Main IslandThe home portSail back ↗🎯The 90s Kids IslandIsland 01 · the memory islandVisit the island ↗🎮Pixel LagoonIsland 02 · the gaming islandVisit the island ↗🛒Bazaar BayIsland 03 · the shopping islandVisit the island ↗🤝Client CoveIsland 04 · for clients & commissionsBring me a brief ↗🎓Scholar BayIsland 05 · student toolsVisit ↗💼Ledger HarborIsland 06 · business toolsVisit ↗🕑Clocktower TownIsland 07 · daily toolsVisit ↗🎨Palette AtollIsland 09 · design toolsVisit ↗📄Paper PortIsland 10 · text toolsVisit ↗🧑‍💼Career StationIsland 11 · career toolsVisit ↗📷Darkroom IsleIsland 12 · photo toolsVisit ↗🧬Research ReefIsland 13 · science toolsVisit ↗🔒Safe HarborIsland 14 · security toolsVisit ↗

💻Circuit CoveIsland 08 · you are here