Format Converter for Operations

115 format converter tools hand-picked for Operations.

Base64 to File Converter

Paste raw Base64 or a data URL, decode it locally, inspect bytes, and download the reconstructed file.
Cooking Measurement Converter

Cups, spoons, grams, millilitres — and the part that matters, volume ↔ weight by ingredient density, all in your browser
Coordinate Converter

Convert GPS coordinates between DMS, decimal degrees and decimal minutes, paste straight into Google Maps, all in your browser
Cron Expression Explainer — Decode Any Cron + Next 20 Runs

Cron expression explainer — paste any cron, get plain English/Chinese + next 20 runs + visual time grid.
Crontab Helper — Visual Builder & Explainer

Visual crontab builder + human-readable explanation + next run preview.
CSS Minifier

Minify CSS — strip comments, whitespace, shorten colors, merge selectors. 30-60% smaller.
CSV Column Extractor

Upload or paste CSV, keep only selected columns by name or index, and export a smaller privacy-safe file.
CSV Data Quality Profiler

Upload CSV or TSV and profile missing values, inferred types, invalid cells, duplicate rows, whitespace issues, top values, and numeric outliers.
CSV Deduplicator

Remove duplicate CSV rows by full row or selected key columns from uploaded files, locally and safely.
CSV Filter

Filter uploaded CSV rows by column value using contains, equals, or regex, with local browser processing.
CSV Header Normalizer

Standardize CSV header rows to snake_case, kebab-case, camelCase, or Title Case before imports and scripts.
CSV Sorter

Sort uploaded CSV rows by a selected column with numeric-aware ordering and local-only processing.
CSV Stats Summary

Upload CSV and get a quick Markdown profile of filled, missing, unique, numeric, min, max, and average values.
CSV ⇄ JSON Converter

Convert CSV to JSON or JSON to CSV — handles quoted commas, newlines in cells, custom delimiter — browser-only
CSV to Markdown Table

Convert uploaded or pasted CSV into clean Markdown tables with quoted-cell support, locally in the browser.
CSV to TSV Converter

Convert CSV files to tab-separated values while preserving quoted commas, quotes, and multiline cells locally.
CSV to YAML Converter

Turn a spreadsheet export into a clean YAML array of objects — RFC 4180 quoting, optional type inference, browser-only
CSV Transposer

Flip CSV rows and columns from uploaded files or pasted data, with ragged-row handling and local output.
Data Storage Converter

Convert bytes, KB, MB, GB, TB and bits — decimal (1000) and binary (1024, KiB/MiB/GiB) side by side, with the hard-drive 931 GiB gotcha explained — browser-only
Domain Name Deduplicator

Find duplicates and keep one clean copy of domain names from pasted text or uploaded local files.
Domain Name Extractor

Extract, dedupe, and export domain names from pasted text or uploaded local files.
Domain Name List Converter

Convert domain names from pasted text or uploaded local files.
Domain Name List Validator

Validate and explain issues in domain names from pasted text or uploaded local files.
Domain Name Normalizer

Normalize, sort, and prepare domain names from pasted text or uploaded local files.
Drill Bit Size Chart

Convert between fractional inch, decimal inch, mm, number (#1-#80) and letter (A-Z) drill sizes — closest match, full chart, one-click copy — 100% in your browser
Email Address Deduplicator

Find duplicates and keep one clean copy of email addresses from pasted text or uploaded local files.
Email Address Extractor

Extract, dedupe, and export email addresses from pasted text or uploaded local files.
Email Address List Converter

Convert email addresses from pasted text or uploaded local files.
Email Address List Validator

Validate and explain issues in email addresses from pasted text or uploaded local files.
Email Address Normalizer

Normalize, sort, and prepare email addresses from pasted text or uploaded local files.
Environment Variable Deduplicator

Find duplicates and keep one clean copy of environment variables from pasted text or uploaded local files.
Environment Variable Extractor

Extract, dedupe, and export environment variables from pasted text or uploaded local files.
Environment Variable List Converter

Convert environment variables from pasted text or uploaded local files.
Environment Variable List Validator

Validate and explain issues in environment variables from pasted text or uploaded local files.
Environment Variable Normalizer

Normalize, sort, and prepare environment variables from pasted text or uploaded local files.
Excel Column Converter

Turn column letters into numbers and back: A is 1, Z is 26, AA is 27, batch convert, paste A1 refs, copy in one click, all in your browser
File MIME Type Inspector

Upload files and inspect filename, size, browser MIME type, extension, and magic-byte signature locally.
File to Base64 Converter

Upload a small file and convert it to raw Base64 or a data URL locally for embeds, fixtures, and tests.
Fuel Consumption Converter

MPG ⇄ L/100km ⇄ km/L ⇄ mi/L ⇄ Imperial MPG — type one, read every unit, copy each — browser-only
Hashtag Deduplicator

Find duplicates and keep one clean copy of hashtags from pasted text or uploaded local files.
Hashtag Extractor

Extract, dedupe, and export hashtags from pasted text or uploaded local files.
Hashtag List Converter

Convert hashtags from pasted text or uploaded local files.
Hashtag List Validator

Validate and explain issues in hashtags from pasted text or uploaded local files.
Hashtag Normalizer

Normalize, sort, and prepare hashtags from pasted text or uploaded local files.
HTML Link Extractor

Upload HTML and extract anchors, images, scripts, stylesheets, canonicals, and meta URLs into CSV locally.
HTML Minifier

Minify HTML — strip comments, whitespace, optional attributes, inline CSS/JS. 40-60% smaller.
HTTP Header Deduplicator

Find duplicates and keep one clean copy of http headers from pasted text or uploaded local files.
HTTP Header Extractor

Extract, dedupe, and export http headers from pasted text or uploaded local files.
HTTP Header List Converter

Convert http headers from pasted text or uploaded local files.
HTTP Header List Validator

Validate and explain issues in http headers from pasted text or uploaded local files.
HTTP Header Normalizer

Normalize, sort, and prepare http headers from pasted text or uploaded local files.
INI Formatter & Validator

Format and validate INI / TOML-like config — sort sections, align equal signs.
IPv4 Address Deduplicator

Find duplicates and keep one clean copy of ipv4 addresses from pasted text or uploaded local files.
IPv4 Address Extractor

Extract, dedupe, and export ipv4 addresses from pasted text or uploaded local files.
IPv4 Address List Converter

Convert ipv4 addresses from pasted text or uploaded local files.
IPv4 Address List Validator

Validate and explain issues in ipv4 addresses from pasted text or uploaded local files.
IPv4 Address Normalizer

Normalize, sort, and prepare ipv4 addresses from pasted text or uploaded local files.
IPv6 Address Deduplicator

Find duplicates and keep one clean copy of ipv6 addresses from pasted text or uploaded local files.
IPv6 Address Extractor

Extract, dedupe, and export ipv6 addresses from pasted text or uploaded local files.
IPv6 Address List Converter

Convert ipv6 addresses from pasted text or uploaded local files.
IPv6 Address List Validator

Validate and explain issues in ipv6 addresses from pasted text or uploaded local files.
IPv6 Address Normalizer

Normalize, sort, and prepare ipv6 addresses from pasted text or uploaded local files.
ISO Date Deduplicator

Find duplicates and keep one clean copy of iso dates from pasted text or uploaded local files.
ISO Date Extractor

Extract, dedupe, and export iso dates from pasted text or uploaded local files.
ISO Date List Converter

Convert iso dates from pasted text or uploaded local files.
ISO Date List Validator

Validate and explain issues in iso dates from pasted text or uploaded local files.
ISO Date Normalizer

Normalize, sort, and prepare iso dates from pasted text or uploaded local files.
JS Minifier

Minify JavaScript — strip comments, whitespace, optional name shortening. 40-70% smaller.
JS Obfuscator

Lightly obfuscate JavaScript in the browser: strip comments, remove debugger/console calls, and optionally wrap strings with base64.
JSON Lines Formatter

Validate JSONL line by line, pretty-print it, convert to a JSON array, or export a CSV-like table locally.
JSON Minifier

Minify JSON into a compact single line, optionally sort object keys, and keep everything local.
JSON Schema Inferencer

Paste JSON or NDJSON samples and infer a Draft 2020-12 style schema with types, required fields, formats, enums, and examples.
OpenAPI Endpoint Auditor

Audit OpenAPI JSON or YAML for endpoint coverage, missing operation IDs, security gaps, and weak response documentation.
Oven Temperature Converter

Convert °F, °C and gas mark instantly — plus the fan-oven setting and the recipe heat band, all in your browser
Phone Number Deduplicator

Find duplicates and keep one clean copy of phone numbers from pasted text or uploaded local files.
Phone Number Extractor

Extract, dedupe, and export phone numbers from pasted text or uploaded local files.
Phone Number List Converter

Convert phone numbers from pasted text or uploaded local files.
Phone Number List Validator

Validate and explain issues in phone numbers from pasted text or uploaded local files.
Phone Number Normalizer

Normalize, sort, and prepare phone numbers from pasted text or uploaded local files.
Postal Code Deduplicator

Find duplicates and keep one clean copy of postal codes from pasted text or uploaded local files.
Postal Code Extractor

Extract, dedupe, and export postal codes from pasted text or uploaded local files.
Postal Code List Converter

Convert postal codes from pasted text or uploaded local files.
Postal Code List Validator

Validate and explain issues in postal codes from pasted text or uploaded local files.
Postal Code Normalizer

Normalize, sort, and prepare postal codes from pasted text or uploaded local files.
Screw Size Chart

US gauge #0-#14 and metric M2-M12 — major diameter in inch + mm, pilot and clearance hole sizes, one-click copy — browser-only
Semantic Version Deduplicator

Find duplicates and keep one clean copy of semantic versions from pasted text or uploaded local files.
Semantic Version Extractor

Extract, dedupe, and export semantic versions from pasted text or uploaded local files.
Semantic Version List Converter

Convert semantic versions from pasted text or uploaded local files.
Semantic Version List Validator

Validate and explain issues in semantic versions from pasted text or uploaded local files.
Semantic Version Normalizer

Normalize, sort, and prepare semantic versions from pasted text or uploaded local files.
Sheet Metal Gauge Converter

Gauge ⇄ thickness for steel, galvanized, stainless and aluminum — mm and inch, both directions, copy and share — browser-only
Social Handle Deduplicator

Find duplicates and keep one clean copy of social handles from pasted text or uploaded local files.
Social Handle Extractor

Extract, dedupe, and export social handles from pasted text or uploaded local files.
Social Handle List Converter

Convert social handles from pasted text or uploaded local files.
Social Handle List Validator

Validate and explain issues in social handles from pasted text or uploaded local files.
Social Handle Normalizer

Normalize, sort, and prepare social handles from pasted text or uploaded local files.
SQL Formatter

Format and beautify SQL — supports MySQL, PostgreSQL, BigQuery, SQLite and 17 more dialects.
Temperature Converter

One temperature in, all four scales out — Celsius, Fahrenheit, Kelvin, Rankine — live formula, reference points, browser-only
Text File Cleaner

Upload a text file and remove BOM, null bytes, trailing spaces, and excessive final blank lines locally.
Text File Line Ending Converter

Upload or paste text and convert CRLF, CR, and LF endings to a consistent LF or CRLF output locally.
Timezone Meeting Planner

Plan meetings across timezones — see when everyone's working hours overlap.
TOML to JSON Converter

Paste TOML, get clean JSON instantly — full TOML 1.0 support, error messages with line numbers, 100% in-browser
TSV to CSV Converter

Turn tab-separated files into standards-friendly CSV with proper quoting, download, and local processing.
URL Deduplicator

Find duplicates and keep one clean copy of urls from pasted text or uploaded local files.
URL Encoder Decoder with Query Parameter Table

Encode, decode, inspect query parameters, process bulk URL lists, and copy clean outputs entirely in your browser.
URL Extractor

Extract, dedupe, and export urls from pasted text or uploaded local files.
URL List Converter

Convert urls from pasted text or uploaded local files.
URL List Validator

Validate and explain issues in urls from pasted text or uploaded local files.
URL Normalizer

Normalize, sort, and prepare urls from pasted text or uploaded local files.
URL Query Params Extractor

Extract, deduplicate, inspect, copy, and export query parameters from one URL or many URLs locally.
XML Formatter & Validator

Pretty-print, minify, and validate XML in your browser — preserves CDATA, comments, and namespaces.
XML ⇄ JSON Converter

XML to JSON converter — preserves attributes, nested elements, CDATA. Reversible.
YAML Formatter & Validator

Format and beautify YAML — re-indent, validate, minify, sort keys.
YAML to CSV Converter

Turn a YAML list of objects into an RFC 4180 CSV — column union, JSON or flattened nested values, comma / semicolon / tab, browser-only
YAML ⇄ JSON Converter

Convert between YAML and JSON — both directions, pretty-printed, error messages with line numbers — browser-only

Base64 to File Converter

Cooking Measurement Converter

Coordinate Converter

Cron Expression Explainer — Decode Any Cron + Next 20 Runs

Crontab Helper — Visual Builder & Explainer

CSS Minifier

CSV Column Extractor

CSV Data Quality Profiler

CSV Deduplicator

CSV Filter

CSV Header Normalizer

CSV Sorter

CSV Stats Summary

CSV ⇄ JSON Converter

CSV to Markdown Table

CSV to TSV Converter

CSV to YAML Converter

CSV Transposer

Data Storage Converter

Domain Name Deduplicator

Domain Name Extractor

Domain Name List Converter

Domain Name List Validator

Domain Name Normalizer

Drill Bit Size Chart

Email Address Deduplicator

Email Address Extractor

Email Address List Converter

Email Address List Validator

Email Address Normalizer

Environment Variable Deduplicator

Environment Variable Extractor

Environment Variable List Converter

Environment Variable List Validator

Environment Variable Normalizer

Excel Column Converter

File MIME Type Inspector

File to Base64 Converter

Fuel Consumption Converter

Hashtag Deduplicator

Hashtag Extractor

Hashtag List Converter

Hashtag List Validator

Hashtag Normalizer

HTML Link Extractor

HTML Minifier

HTTP Header Deduplicator

HTTP Header Extractor

HTTP Header List Converter

HTTP Header List Validator

HTTP Header Normalizer

INI Formatter & Validator

IPv4 Address Deduplicator

IPv4 Address Extractor

IPv4 Address List Converter

IPv4 Address List Validator

IPv4 Address Normalizer

IPv6 Address Deduplicator

IPv6 Address Extractor

IPv6 Address List Converter

IPv6 Address List Validator

IPv6 Address Normalizer

ISO Date Deduplicator

ISO Date Extractor

ISO Date List Converter

ISO Date List Validator

ISO Date Normalizer

JS Minifier

JS Obfuscator

JSON Lines Formatter

JSON Minifier

JSON Schema Inferencer

OpenAPI Endpoint Auditor

Oven Temperature Converter

Phone Number Deduplicator

Phone Number Extractor

Phone Number List Converter

Phone Number List Validator

Phone Number Normalizer

Postal Code Deduplicator