TontonTools

Web Development

Developer tools: HTML/CSS/JS beautifiers & minifiers, JSON/XML/CSV converters, Base64, regex tester, JWT decoder and CSS generators.

40 tools

HTML Encoder

Encode HTML entities — make text safe to display inside HTML.

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HTML Decoder

Decode HTML entities — turn < and ' back into readable text.

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HTML Beautifier

Beautify HTML — proper indentation for minified or messy markup.

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HTML Minifier

Minify HTML online — collapse whitespace and comments, same rendering.

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CSS Beautifier

Beautify CSS — expand minified styles into readable rules.

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CSS Minifier

Minify CSS online — strip whitespace and comments, keep styles identical.

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JavaScript Beautifier

Beautify JavaScript — turn minified one-liners into readable code.

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JavaScript Minifier

Minify JavaScript online — smaller scripts, identical behavior.

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JavaScript Obfuscator

Obfuscate JavaScript — make client-side code harder to read and copy.

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JavaScript DeObfuscator

Deobfuscate JavaScript — unpack scrambled code enough to read its intent.

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JSON Formatter

Beautify, indent and validate JSON instantly — right in your browser.

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JSON Validator

Validate JSON instantly — find the exact syntax error and where it hides.

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JSON Minifier

Minify JSON — strip whitespace, shrink payloads, one click.

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JSON Viewer

View JSON as a collapsible tree — explore nested data visually.

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JSON Editor

Edit JSON with live validation — change values without breaking syntax.

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JSON to XML

Convert JSON to XML — bridge modern APIs and legacy systems.

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JSON to CSV

Convert JSON to CSV — API data into spreadsheet rows, instantly.

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JSON to TSV

Convert JSON to TSV — tab-separated rows that paste perfectly into sheets.

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XML to JSON

Convert XML to JSON — legacy data into the format modern code wants.

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CSV to JSON

Convert CSV to JSON — spreadsheet rows into arrays of objects.

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TSV to JSON

Convert TSV to JSON — tab-separated data into arrays of objects.

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JSON to JSON Schema

Generate a JSON Schema from example JSON — validation rules, inferred.

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Base64 Encode

Encode any text or data to Base64 instantly and privately.

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Base64 Decode

Decode Base64 back to readable text instantly, in your browser.

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Regex Tester

Test and debug regular expressions against your text in real time.

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SQL Formatter

Format SQL — turn one-line queries into readable, indented statements.

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Markdown to HTML Converter

Convert Markdown to HTML — clean markup from readable text.

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HTML to Markdown

Convert HTML to Markdown — web content into portable plain text.

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CSS Gradient Generator

Design CSS gradients visually — pick colors, copy the code.

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Box Shadow Generator

Design box shadows visually — offsets, blur, color, copied as CSS.

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Border Radius Generator

Design border radii visually — from soft corners to blob shapes.

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Flexbox Playground

Learn flexbox visually — flip the properties, watch the layout respond.

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CSS Grid Generator

Build CSS Grid layouts visually — set rows and columns, copy the code.

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Color Palette Generator

Generate color palettes — harmonious schemes with copyable hex codes.

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GitHub Readme Generator

Generate a clean GitHub README — fill the fields, copy the Markdown.

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Gitignore Generator

Generate .gitignore files — the right exclusions for your stack.

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Cron Expression Parser

Build and understand cron expressions — five fields, translated to English.

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HTTP Request Builder

Build HTTP requests — method, headers, body, exported as cURL and code.

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JWT Decoder

Decode a JSON Web Token's header and payload instantly and privately.

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Diff Checker

Compare two texts side by side — every changed line highlighted.

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