BenKitTOOL / 001
Date & Time
Timezone / Date Simulator
One moment. Every timezone. Test date boundaries, daylight saving, and UTC conversions before your users do.
YOUR EVERYDAY TOOLKIT
Small tools for
smoother days.
Format data, work with text, prepare images, and make sense of time.
Free browser tools. No downloads. No sign-up.
Ready for the task at hand.
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DeveloperSmall, dependable helpers for the data and formats you work with while building software.SQLFormat, generate, check syntax, and understand SQL locally in your browser.Date & TimeExplore the moments, offsets, and calendar boundaries that make time tricky in apps.Images & ScreenshotsPrepare photos, screenshots, icons, and printable pages in your browser.Data & ConversionTransform colors, tables, and scannable data without uploading the source.
THE COLLECTION
Free to use · No sign-upThe toolkit 36
TOOL / 002
Developer
JSON Formatter
Make a payload readable. Format, validate, and minify JSON without changing large numbers or sending data anywhere.
TOOL / 003
Date & Time
Timestamp Converter
Convert Unix seconds or milliseconds to readable dates, or turn a date and timezone into a timestamp.
TOOL / 004
Developer
UUID Generator
Generate secure UUID v4 identifiers or time-sortable UUID v7 values in useful batches.
TOOL / 005
Developer
Hash Generator
Calculate SHA-256, SHA-384, or SHA-512 digests for text and files without uploading them.
TOOL / 006
Developer
Text Case Converter
Switch text between title, sentence, camel, Pascal, snake, kebab, and constant case.
TOOL / 007
TOOL / 008
Developer
Regex Tester
Test JavaScript regular expressions with live highlights, capture groups, and a safe replacement preview.
TOOL / 009
Date & Time
Cron Expression Builder
Build and validate cron schedules, read them in plain language, and preview upcoming runs in any timezone.
TOOL / 010
Developer
Encode / Decode Toolkit
Convert Base64, Base64URL, URL encoding, HTML entities, hexadecimal text, and inspect JWT payloads.
TOOL / 011
Data & Conversion
Color Converter & Contrast Checker
Convert HEX, RGB, HSL, and OKLCH colors, then verify readable WCAG contrast combinations.
TOOL / 012
Data & Conversion
CSV ↔ JSON Converter
Convert CSV and JSON in either direction with delimiter detection, headers, type inference, and local files.
TOOL / 013
Images & Screenshots
Image ↔ Base64
Turn an image into a Data URL, or preview and download an image from Base64 without uploading it.
TOOL / 014
Data & Conversion
QR Code Studio
Create customizable QR codes for text, links, and Wi-Fi, or decode a QR image locally.
TOOL / 015
SQL
SQL Formatter & Generator
Format SQL by dialect, build quoted IN clauses, and turn JSON rows into INSERT statements.
TOOL / 034
SQL
SQL Analyzer
Inspect SQL statement types, physical tables, aliases, fields, joins, filters, grouping, and ordering.
TOOL / 035
SQL
SQL Comment Remover
Remove standard SQL -- line comments and /* */ block comments while preserving quoted text and line breaks.
TOOL / 036
SQL
SQL Syntax Checker
Check SELECT, UPDATE, and INSERT syntax in MySQL, PostgreSQL, SQLite, or SQL Server, with a location for queries the parser cannot read.
TOOL / 016
Developer
URL Parser
Inspect URL normalization, components, credentials, ports, fragments, and repeated query parameters.
TOOL / 017
Data & Conversion
YAML ↔ JSON Converter
Convert YAML and JSON in either direction with duplicate-key checks and readable errors.
TOOL / 018
Developer
JSON Schema Validator
Validate JSON data against a Draft 2020-12 schema and inspect every failing instance path.
TOOL / 019
Developer
JSON Diff & Patch
Compare JSON values semantically and generate a copy-ready RFC 6902 patch.
TOOL / 020
Developer
User-Agent Parser
Inspect browser, engine, operating system, device, and CPU evidence from a User-Agent string.
TOOL / 021
Data & Conversion
Markdown Table Generator
Turn CSV, TSV, or pipe-delimited rows into escaped, aligned Markdown tables.
TOOL / 022
Developer
Unicode Inspector & Normalizer
Reveal code points, UTF-16 units, grapheme counts, invisible characters, and normalization changes.
TOOL / 023
Developer
cURL to Fetch & Axios
Translate common cURL requests into readable browser fetch or Axios code.
TOOL / 024
Developer
JSONPath Tester
Run JSONPath queries against local JSON and inspect matching values, paths, or pointers.
TOOL / 025
Images & Screenshots
SVG to PNG Converter
Render an SVG file or source text to a transparent PNG at an exact output size.
TOOL / 026
Images & Screenshots
Favicon Generator
Create a favicon pack with PNG sizes, ICO, web manifest, and copy-ready HTML.
TOOL / 027
Images & Screenshots
App Icon Resizer
Build named iOS, Android, and web icon assets from one high-resolution square source.
TOOL / 028
Images & Screenshots
Image Studio
Stitch, crop, cover private details, compress, watermark, annotate, compare, and prepare printable images in one local workspace.
TOOL / 029
TOOL / 030
Images & Screenshots
Image Privacy Cover
Cover sensitive details with solid pixels before sharing a screenshot.
TOOL / 031
Images & Screenshots
Image Compressor & Converter
Resize, compress, and convert a batch of photos with size comparisons.
TOOL / 032
Images & Screenshots
Image Resize & Crop
Crop to common ratios, rotate or flip, and choose the exact output size.
TOOL / 033
Images & Screenshots
Images to PDF & Print
Put photos on printable pages or split a long screenshot into pages.
More ways to simplify your day. Practical tools for the tasks you come back to.
View the directory01 / USEFUL
Made for real tasks.
From formatting a snippet to resizing an image, each tool focuses on one task and helps you get it done.
02 / SIMPLE
Open. Use. Carry on.
No account to create. No trial to start. Just a useful little tool, ready when you need it.
03 / LOCAL
Your input stays yours.
Every tool runs in your browser. Your data and test scenarios never need to leave the page.