1783+ free developer tools. Zero sign-up.

Format, convert, encode, and debug, right in your browser. Nothing you paste here ever reaches a server.

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Browse by category21 categories

Code Tools

32

Format, minify, compile, validate, and obfuscate source code.

File Tools

11

Generate, truncate, slice, and damage text and binary files.

Hash Tools

83

Calculate cryptographic hashes and checksums from text.

JSON Tools

105

Format, validate, convert, and inspect JSON data.

String Tools

243

Encode, decode, transform, and clean up strings.

YAML Tools

57

Format, validate, convert, edit, and generate YAML.

XML Tools

64

Prettify, minify, validate, highlight, and visualize XML.

Markdown Tools

20

Convert, format, validate, and clean up Markdown.

API Tools

20

Test, format, validate, and convert API requests and specs.

Security Tools

15

Generate keys and tokens, encrypt files, and inspect certificates.

Network Tools

9

Convert and inspect IP addresses.

DNS Tools

9

Look up DNS records and inspect mail authentication.

Domain Tools

6

Check domain registration, age, expiry, and available extensions.

Hex Tools

108

Convert, edit, analyze, and generate hexadecimal values, colors, and files.

DevOps Tools

130

Generate configs for Kubernetes, Docker, CI/CD, IaC, cloud, and more.

PNG Image Tools

402

Convert, edit, transform, and generate PNG images.

Random Tools

122

Generate random numbers, text, data formats, identifiers, and procedural art.

Integer Tools

82

Convert, transform, analyze, and draw with whole numbers.

List Tools

100

Edit, reshape, compare, convert, and decorate delimiter-separated lists.

ASCII Tools

68

Convert, validate, generate, and draw with strict 7-bit ASCII text.

Binary Tools

97

Convert, calculate, edit, and generate raw binary (base-2) data.

Every tool1783 tools

Built like a real tool

Not a form you fill out once. The parts you'd expect from something you keep open in a tab.

Nothing leaves your browser

Every tool runs client-side against a static export with zero backend. Open the network tab while you use one, there's nothing to watch.

Chain tools together

Send one tool's output straight into the next, JSON Formatter into JSON to CSV, no copy-paste round trip required.

Updates as you type

No convert button to hunt for. Results recompute live while you type, every time.

Favorites, remembered

Star the tools you reach for daily and jump back into your last few. Saved locally on your device, never synced to a server.

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