Fast browser tools. Serious developer APIs.

The right tool.Right when you need it.

Finish everyday browser tasks immediately, then bring the same dependable workflows into your product with clear, scoped APIs.

No signup for browser toolsLocal-first processingClear API contracts

toolswim.com/tools

Workbench (browser)

Runs locally

JSON formatterJSON Tools

Wi-Fi QR code generatorQR Codes

HEIC to JPG converterImage Conversion

JSON formatter

Sample

{
  "name": "Tool Swim",
  "type": "browser tool platform",
  "features": ["fast", "private", "free"],
  "active": true
}

Format JSON

Private by default

Browser tools keep your input on-device

187+ focused pages

Purpose-built paths, not generic clutter

17 tool families

A catalog designed to scale cleanly

Scoped live keys

Explicit permissions and request visibility

Start with what works

Popular tools, ready now

Focused experiences for common jobs, with no account wall between you and the result.

Explore every tool

Create

QR Code Generator

Build polished QR codes for links, Wi-Fi, contacts, messages, and more.

Images

Image Converter

Convert images locally in your browser without uploading private files.

Develop

Regex Tools

Test, explain, replace, extract, and debug regular expressions quickly.

Built for a growing catalog

Browse by intent, not an endless list

Tool Swim organizes every capability into a clear path: choose a category, open a tool family, then pick the focused variant for your exact job.

Catalog hierarchy

Category → Tool family → Focused variant

Create and generate

QR codes, identifiers, secure values, and production-ready assets.

Convert and transform

Images, text, structured data, dates, encodings, and developer formats.

Inspect and validate

Focused checks, explainers, formatters, testers, and diagnostics.

Automate with APIs

The same useful tool families through scoped, documented live APIs.

Tool Swim API

When the browser task becomes a product feature

Create one live key, grant only the permissions you need, and move from a tested browser workflow to a documented API contract.

Explore the API Read documentation

POST /api/tools/qr-code-generatorLIVE

curl https://toolswim.com/api/tools/qr-code-generator \
  -H "Authorization: Bearer ts_live_..." \
  -H "Content-Type: application/json" \
  -d '{"operation":"url","value":"https://example.com"}'

One live-key model

Permission-aware execution

Practical guides

Understand the formats, privacy choices, and testing steps behind the tools.

Read all guides

Find the tool. Finish the task.

Search the complete catalog or explore the developer platform.

Browse tools Explore the API