Configuration Summary
{{ metrics.documentCount }} {{ metrics.documentCount === 1 ? 'document' : 'documents' }} {{ metrics.totalKeys.toLocaleString() }} keys {{ metrics.totalScalars.toLocaleString() }} scalars Depth {{ metrics.maxDepth }} Preview trimmed
{{ type }}
{{ warn }}
INI content
Use 0 to disable wrapping.
Field Value Copy
{{ row.label }} {{ row.value }}
{{ normalizedYaml }}
{{ iniText }}
{{ envText }}
{{ propertiesText }}
Document Path Type Preview Copy
Doc {{ row.docIndex }} {{ row.path || '(root)' }} {{ formatTypeLabel(row.type) }} {{ row.preview }}
Path Types Docs Example
{{ row.path }} {{ row.types }} {{ row.docs }} {{ row.example }}
:

Introduction:

INI configuration files are simple text files that group settings into named sections and store each option as a key and a value. Many teams use an INI to YAML converter when they standardize configuration formats across services and environments. This tool reads that structure and presents it in formats that are easier to scan, compare, and share across tools.

Paste or drop your configuration and the parser will separate sections, keys, and values into a consistent internal map. You can then view high level counts, sample keys, and sample values to judge whether the file behaves as expected. A quick scan of these summaries often reveals missing sections, misplaced options, or surprising data types before they cause trouble in a deployment.

From that map you can generate equivalent YAML, structured data, environment style variables, and traditional properties lines without rewriting the file by hand. The paths and schema views show how nested sections and arrays turn into flattened paths that other tools or scripts can consume. This is especially helpful when a team wants to share configuration between code, infrastructure automation, and manual runbooks.

Remember that the converter follows a small set of rules, so not every creative layout used in custom configuration files will round trip perfectly. Boolean words and numeric strings are interpreted as typed values, and the last value for a repeated key will replace earlier ones. For sensitive settings such as passwords, treat this page like any other shared screen and avoid pasting live production secrets.

Technical Details:

The converter interprets each INI document as a tree of sections, keys, and scalar values, then maps that tree into a plain data object. Every section becomes an object field, and every key becomes an entry whose value may be a string, number, or boolean depending on how it is written in the source file.

Bare words that match true or false ignoring case are stored as booleans, unquoted numeric text matching an optional minus sign and decimal part becomes a number, and everything else remains a string. Values wrapped in double quotes support simple escape sequences for new line, carriage return, and tab, while single quotes keep the text exactly as written inside.

From that object representation the tool computes document counts, total keys, total scalar values, maximum nesting depth, and the most common value types. These metrics feed the configuration summary at the top of the page and help highlight unusual structures such as very deep nesting or documents dominated by a single type.

Flattened paths and schema views provide a stable way to reference each value regardless of its original section name. Dot notation paths use familiar object style access with bracketed indices for arrays, while slash paths resemble directory style segments. In both cases the schema table records which types appear at each path and how many documents provide that path.

The environment, properties, INI, YAML, and JSON outputs are all derived from the same flattened view, so changing an option in the advanced panel immediately affects every format. This keeps the relationship between formats traceable and means that copying from any tab always reflects the current parse rules and formatting choices.

Parsing and conversion pipeline

  1. Normalize line endings and split the INI text into individual lines.
  2. Ignore blank lines and full line comments that begin with a semicolon or hash after trimming.
  3. Detect section headers in square brackets, accumulating key and value pairs under the current section.
  4. Convert each raw value into string, number, or boolean, trimming whitespace and applying quoted string rules.
  5. Assemble metrics, flattened paths, schema statistics, and formatted YAML, JSON, INI, env, and properties outputs.

Document metrics and symbols

Document metrics and their meanings
Symbol Meaning Unit/Datatype Source
DocumentCount Number of parsed configuration documents in the current input. integer derived from document list
TotalKeys Total number of nested object keys across all documents. integer derived from recursive walk
TotalScalars Total number of scalar values such as strings, numbers, and booleans. integer derived from recursive walk
MaxDepth Greatest nesting depth reached by any key within the document tree. integer derived from recursive walk
PreviewTrimmed Indicates that the flattened paths table shows only the first slice of paths. boolean derived from preview limit

I/O formats

Input and output formats
Input Accepted Families Output Encoding/Precision Rounding
INI text area Pasted configuration lines and comments Parsed document tree and metrics Text only, types inferred per value Not applicable
INI file drop Files with ini, cfg, or txt style extensions Same as pasted text using file contents Browser file reader as text Not applicable
Flattened paths Internal document tree CSV exports and table previews Text, path strings and sample previews Not applicable
Formatted outputs Current document tree and options YAML, JSON, INI, env, and properties strings Text representations with chosen spacing Not applicable

Validation and bounds

Validation rules and bounds
Field Type Min Max Step/Pattern Error Text
INI content text 1 line not enforced Section lines and key=value pairs No INI data detected; skipped line warnings; duplicate key replaced notices
YAML indent number 1 8 integer spacing Out of range values are clamped between 1 and 8
YAML line width number 0 240 integer width Zero disables wrapping, other invalid values fall back to 80 characters
JSON spacing enum 0 4 0, 2, or 4 spaces Zero or invalid entries produce minified JSON output
Max preview paths number 50 2000 integer count Values outside the 50–2000 range are clamped to that range
ENV prefix text 0 chars not enforced Letters, digits, and underscores Prefix is trimmed and a trailing underscore is added when missing
Uppercase env boolean n/a n/a switch When enabled, all generated env keys are converted to uppercase

Assumptions and limitations

  • Comments are only recognised when the trimmed line starts with a semicolon or hash; inline comments after values are treated as text.
  • Each section is mapped to a single object; repeated section headers merge into that object instead of creating separate groups.
  • Within a section, later assignments to the same key silently overwrite earlier assignments rather than storing every occurrence.
  • Numeric detection handles only simple base 10 integers and decimals; values such as 1e3 stay as strings.
  • Whitespace around values is removed by trimming, so deliberate leading or trailing spaces cannot be preserved.
  • Double quoted strings only decode the escape sequences \n, \r, and \t; other backslash sequences remain literal.
  • The parser expects simple line based INI files and does not support multi line value blocks or include statements.
  • Heads-up Different paths can normalize to the same environment variable name, in which case the last value wins.
  • YAML formatting relies on a helper library; if it is unavailable, YAML output is skipped and a warning is shown.

Edge cases and error sources

  • Empty input or files that contain only comments trigger the “No INI data detected.” error and produce no outputs.
  • Lines without an equals sign or with unmatched brackets are skipped with a warning, which may hide subtle typos.
  • Section names or keys containing slashes, dots, or quotes are escaped in flattened paths, changing how they appear in exports.
  • Very large configurations with many keys may hit the preview limit, showing a “Preview trimmed” badge while exports still contain every path.
  • Values that exceed JavaScript safe integer ranges or extreme floating point values may lose precision when stored as numbers.
  • Text that almost spells true or false, such as “trueValue”, is treated as a string rather than a boolean.
  • Quoted strings that are missing the closing quote are parsed as plain text, potentially shifting how the rest of the line is read.
  • Setting YAML indent or line width to unusual values can produce unexpected wrapping when other tools expect specific conventions.
  • Environment prefixes that differ only in case may be normalised together when uppercase output is enabled, causing apparent key collisions.
  • Dropping a file that the browser cannot read results in an “Unable to read the dropped file.” error.
  • If JSON syntax highlighting helpers are missing, JSON still renders correctly but without coloured formatting for keys and values.
  • Blocking scripts or extensions can prevent helper functions from loading, leaving some tabs blank even with valid input.

Privacy and compliance

Parsing and conversion run entirely in the browser and operate on the text already present in the page. Files are processed locally; nothing is uploaded. Because configuration files may include credentials or other secrets, treat the host machine and browser session as part of your overall security and compliance controls.

Standards and background

The design mirrors long standing conventions for INI configuration used across operating systems and service frameworks. The structured outputs follow the data models of widely implemented JSON and YAML specifications, and the env and properties formats align with common platform expectations for key and value based configuration.

Step-by-Step Guide:

Converting INI configuration into structured formats follows a straightforward flow from raw text to multiple synced outputs.

  1. Paste your configuration into the INI content area or drop a compatible file on it.
  2. Optionally open the advanced panel and adjust JSON spacing, YAML layout, path style, preview limit, and env naming rules.
  3. Review the configuration summary badges to confirm document counts, total keys, scalar values, and maximum depth look plausible.
  4. Switch between YAML, JSON, INI, env, properties, paths, and schema tabs to inspect the formats that matter for your workflow.
  5. Use the copy and download buttons on each tab to move the generated outputs into editors, terminals, or version control.

For example, a configuration with a server section and two settings produces one document with two scalar values, flattened paths such as server.host, and env keys like APP_SERVER_HOST when you choose the APP prefix.

Use dot notation paths when you want keys that line up with configuration objects inside code.
Choose slash style paths when building CSV files or tables that already treat segments as hierarchy.
Raise the preview limit temporarily when auditing a large configuration, then lower it again to keep tables fast.

Once you are comfortable with the flow, you can keep the page open as a quick bridge between INI files and the formats your tooling expects.

Features:

  • Parses INI configuration, counting documents, nested keys, scalar values, and nesting depth for a quick structural overview.
  • Converts parsed data into normalized YAML, JSON, regenerated INI, env style variables, and properties style key and value lines.
  • Flattens configuration into dot notation or slash separated paths and displays both previews and CSV exports.
  • Builds a schema table that lists each path, the set of value types it has seen, and an example value.
  • Lets you tune YAML indentation, line wrapping, key sorting, quoting style, and anchor reuse from a single advanced panel.
  • Provides one click copy and download actions for every output, simplifying handoffs between team members and tooling.

FAQ:

Is my configuration stored anywhere?

The converter parses your text and builds outputs entirely in the browser. There is no application code here that sends configuration contents to a remote server, and downloads are generated directly from the in memory results.

Files are processed locally; nothing is uploaded.
Which file types can I drop?

The drop area is designed for plain text configuration files such as ini, cfg, and txt. The parser ultimately operates on the text content that the browser can read, so any file that opens as text can be processed.

Binary formats are not supported.
How are numbers and booleans detected?

After trimming whitespace, any bare word equal to true or false ignoring case becomes a boolean. Text that matches an optional leading minus sign, digits, and an optional decimal point becomes a number. Everything else, including yes and no, is treated as a string.

Quoted values remain strings even when they look numeric.
What does the Preview trimmed badge mean?

The Paths tab shows only the first group of flattened paths up to the configured preview limit. When more paths exist, a badge appears to signal that the interactive table is truncated while CSV exports and schema still include every discovered path.

Increase the preview limit if you need to inspect more paths on screen.
How do I convert INI to env values?

Paste or drop the INI file, set the ENV prefix and uppercase switch in the advanced section, then open the Env tab. Use the copy or download buttons to move the generated lines into your shell, container configuration, or secret manager.

Review generated names to avoid collisions with existing environment variables.
Does this replace configuration management tools?

No. The converter focuses on structure, typing, and format translation rather than versioning, templating, or deployment workflows. It works best as a companion during reviews, migrations, and debugging sessions, while your existing configuration management system remains the source of truth.

Always apply changes through your standard deployment pipeline.
Are there limits on file size?

There is no hard coded file size limit in the parsing logic, but very large configurations naturally produce many paths and may feel slower to browse. The preview limit keeps tables responsive by showing only part of the path list, while exports still contain every discovered path.

For extremely large files, consider working with smaller sections at a time.
Do I have to pay to use it?

There is no concept of accounts, billing, or license keys inside this converter. It simply operates on whatever configuration text is present in the page, and any wider access control or usage policy is handled by the environment that embeds it.

Check the hosting site for any external terms of use.

Troubleshooting:

  • If “No INI data detected.” appears, ensure there is at least one non comment line containing a section or key and value pair.
  • If you see many “Skipped line” warnings, look for lines that lack an equals sign or have mismatched brackets.
  • When YAML output is blank and a warning mentions the formatter, reload the page so the helper library can initialise correctly.
  • If copy buttons stay disabled, confirm that the configuration has been parsed and that your browser allows clipboard access for the page.
  • When downloads do nothing, check browser download or pop up blocking settings and allow downloads before trying again.
  • If paths show only “(root)”, inspect the INI file to confirm that sections and keys follow the expected syntax.
  • When environment keys look unexpected, review the advanced options for uppercase settings, prefixes, and the chosen path style.

Advanced Tips:

  • Tip Keep YAML sorting off when you want key order to mirror the source file for diff friendly reviews.
  • Tip Switch to slash style paths when you plan to import the CSV into tools that treat segments as hierarchy.
  • Tip Use a higher preview limit only while exploring large configurations, then reduce it again to keep navigation responsive.
  • Tip Set an ENV prefix per project to avoid collisions when loading multiple configurations into the same process environment.
  • Tip Copy the schema CSV when you need a quick checklist of every configuration path to document, test, or monitor.
  • Tip Experiment with quoting and line width options to match the conventions used by your wider toolchain before committing a new format.
  • Tip Compare overview metrics between different versions of a file to spot unexpected growth in keys, depth, or scalar counts.

Glossary:

INI file
Plain text configuration file organised into named sections, keys, and values.
Section
Grouping of related options denoted by a name enclosed in square brackets on its own line.
Key
Identifier on the left side of a key and value pair before the equals sign.
Scalar value
Single value stored at a path, such as a string, number, or boolean.
Flattened path
String that joins nested section and key names using dots or slashes for easier reference.
Environment variable
Configuration value supplied through a named variable in a process environment, often uppercase.
Properties line
Key equals value line commonly used in Java style configuration files.
Schema row
Summary record showing a path, its observed value types, document count, and an example.