FreeToolkit – 384 client-side dev utilities (regex, SQL, cron, cURL, more)

Go

All toolsCode & QueryCopywritingCSS & VisualData & WebFinancialFun & GamesHealth & FitnessHome & GardenImage ToolsName CreatorsQR & BarcodeSocial MediaTime & DateUnit ConvertersWord Counters

Categories

Code & QueryCopywritingCSS & VisualData & WebFinancialFun & GamesHealth & FitnessHome & GardenImage ToolsName CreatorsQR & BarcodeSocial MediaTime & DateUnit ConvertersWord CountersCode & QueryView all →

Format, validate and convert code and data formats.

Regex Tester & Debugger

Test and debug JavaScript regular expressions in real time with live pattern matching, capture group breakdowns and error detection in your browser.

SQL Query Formatter

Format raw SQL queries into clean, readable code with capitalized keywords and proper indentation, instantly in your browser.

XML Formatter

Beautify messy XML with clean indentation and validate syntax — flags unclosed tags and invalid nesting entirely in your browser.

Cron Generator

Decode cron schedule expressions into plain English instantly — e.g. 0 12 * * 1-5 becomes 'At 12:00 PM, Monday through Friday'.

JSON Schema Validator

Validate JSON payloads against custom JSON Schema definitions — instantly finds missing required properties, type mismatches and structural errors locally.

Diff Checker

Compare two blocks of text or code side by side. Additions, deletions and modified lines are highlighted for quick debugging and reviews.

Chmod Calculator

Set read, write and execute permissions for owner, group and public to instantly get the octal code (755, 644) and the Linux chmod command.

cURL Converter

Paste a raw curl command and instantly convert it into production-ready API request code for JavaScript fetch, axios, Python requests, Go, PHP or Node.js.

GraphQL Query Formatter

Prettify messy or minified GraphQL queries, mutations and fragments into properly indented, easy-to-read syntax.

Code Beautifier & Minifier

One unified tool to format or compress HTML, CSS and JavaScript — strip whitespace and comments or apply clean indentation without switching pages.

Regex Generator

Build common regular expression patterns without writing raw syntax — presets for emails, IP addresses, credit cards, dates, phone numbers and more.

SQL Query Builder

Build SELECT queries visually — pick a table, columns, joins, filters, sorting and limits, and copy clean SQL instantly. Runs entirely in your browser.

Gitignore Generator

Generate a ready-to-use .gitignore file for Node, React, Python, Java, Go, Rust, PHP or Unity projects, plus OS and editor junk files.

Strong Password Generator

Generate strong, random passwords with a live strength estimate. Created with your browser's secure crypto generator — never sent anywhere.

HEX To RGB Color Converter

Convert any color between HEX, RGB, HSL and CMYK instantly with a live swatch. Paste a code in any format — processed in your browser.

Morse Code Translator

Translate English text to Morse code and decode Morse back to text instantly. Auto-detects direction, supports letters, numbers and punctuation. Free.

Number To Words Converter

Convert numbers into words, like 1,250 → one thousand two hundred fifty. Includes check-writing format for dollar amounts. Free, instant and private.

URL Encoder & Decoder

Encode text for safe use in URLs or decode percent-encoded strings back to readable text. Instant, free and private.

BASE64 Encoder & Decoder

Convert text to Base64 and back, with full Unicode support. Handy for data URIs, API tokens and debugging. Free and private.

UUID Generator

Generate random version-4 UUIDs (GUIDs) one at a time or in bulk, with uppercase and no-hyphen options. Free and private.

JWT Decoder

Paste a JSON Web Token to decode its header and payload, with human-readable expiry and issue dates. Runs entirely in your browser — tokens never leave your device.

Binary Translator

Translate text to binary code or decode binary back to readable text. Supports emoji and accents with UTF-8. Runs in your browser.

HEX To Decimal Converter

Convert hex to decimal, decimal to hex, binary to decimal and more. Handles very large numbers and one value per line.

MD5 Hash Generator

Generate the MD5 hash of any text instantly, in lowercase or uppercase, one line or whole text. Nothing is sent to a server.

CopywritingView all →

Improve copy, headlines, readability and formatting.

Passive Voice Detector

Paste blog posts, essays, or sales copy to instantly flag passive voice sentences. Client-side grammar matching helps you write stronger active prose.

Writing Prompt Generator

Generate story ideas, character conflicts, and plot twists across ten genres including Fantasy, Sci-Fi, Mystery, Romance, Horror, Thriller, Historical, Adventure, Dystopian, and Comedy. Add your own keywords to steer the prompt. Randomized locally — no server, no signup.

Copywriting Frameworks

Enter your product, benefit, and customer pain point to auto-generate AIDA and PAS marketing copy frameworks, ready to paste into ads or landing pages.

Headline Analyzer

Score blog titles and email subject lines for length, emotional triggers, power words, and clarity. Instant optimization feedback in your browser.

Syllable Counter

Count syllables per word and line with phonetic vowel-group matching. Line-by-line feedback for Haiku (5-7-5), sonnets, and poetry rhythm.

Text Summarizer

Paste long articles to extract the 3–5 most important sentences instantly. Frequency-weighted scoring runs locally — your text never leaves your device.

Dialogue Formatter

Clean up raw story drafts: convert straight quotes to smart curly quotes, fix punctuation inside quotation marks, and separate speaker lines.

Title Case Converter

Convert headlines to correct Title Case per APA, MLA, Chicago, or AP style — minor prepositions and conjunctions stay lowercase automatically.

Readability Checker

Calculate Flesch Reading Ease, Flesch-Kincaid Grade Level, and Gunning Fog Index live as you type. Tune your prose to your audience's reading level.

Lorem Ipsum Generator

Generate placeholder text by paragraph count in classic Latin, modern tech jargon, or creative themed filler. Free, instant, in your browser.

Paraphrasing Tool

Reword sentences with smart synonym swaps and simple restructuring — a free, private paraphraser that runs entirely in your browser.

Sentence Counter

Count sentences, average sentence length and flag long, hard-to-read sentences over 25 words — instant, private sentence analysis.

Email Subject Line Tester

Score your email subject line for length, spam trigger words, caps, punctuation, personalization and mobile preview before you hit send.

Product Description Generator

Generate persuasive e-commerce product descriptions from a product name, features and audience — three ready-to-edit versions, no AI credits, no sign-up.

Word Unscrambler

Unscramble letters to find every valid word and anagram, grouped by length — great for Scrabble, Words With Friends and word puzzles.

Pig Latin Translator

Translate English sentences into Pig Latin instantly, keeping punctuation and capital letters. Ellohay orldway! Free, fun and private.

Hook Generator

Generate scroll-stopping hooks for videos, posts, essays and emails from your topic — questions, bold claims, stories and stats-style openers. Free.

Blog Title Generator

Enter your topic and get 10 proven blog title formulas — listicles, how-tos, mistakes posts and more. Free, instant and private.

Meta Description Generator

Generate meta descriptions from your page topic and keyword, checked against the 155-character limit. Free, instant and private.

Mission Statement Generator

Answer three quick questions and get a polished mission statement in several tones — formal, warm and bold. Free and private.

Acronym Generator

Turn any phrase into an acronym instantly. Skip small words like 'of' and 'the', add periods, and do many phrases at once.

Slogan Generator

Enter your brand and what you do to get catchy slogan and tagline ideas instantly. Free, private and runs in your browser.

Random Sentence Generator

Generate random, grammatically correct sentences for writing prompts, typing practice, ESL lessons and placeholder text.

CSS & VisualView all →

Generate production-ready CSS and SVG visually.

CSS Box Shadow Generator

Adjust offset, blur, spread, color and opacity sliders to preview soft or harsh drop shadows and copy clean CSS box-shadow rules.

Glassmorphism CSS Generator

Create frosted-glass UI elements with live sliders for backdrop-filter blur, transparency, border width and saturation, then export the CSS.

Mesh Gradient Generator

Generate organic multi-color mesh gradients with adjustable color nodes on a live canvas. Export as raw CSS, Tailwind classes, or SVG.

Keyframe Animation Generator

Visually build CSS animations with controls for duration, delay, easing and iterations. Generates the exact @keyframes code instantly.

Tailwind Palette Generator

Enter one brand HEX code and get a perfectly scaled 10-step Tailwind palette (50–900) formatted for your tailwind.config.js file.

CSS Filter Generator

Use sliders to apply CSS filters (blur, grayscale, sepia, contrast) and backdrop-filters for frosted glass. Outputs pure cross-browser CSS.

CSS Clip Path Generator

Build polygons, stars, circles, steps and arrows on a live preview and copy lightweight CSS clip-path code.

CSS Flexbox Layout Generator

Visually set flex direction, justification, alignment, wrap, gap and child grow/shrink, preview live and export pure CSS flexbox rules.

CSS Grid Layout Generator

Define rows, columns, gap spacing and named grid areas on a live visual canvas and generate modern CSS Grid template layouts.

SVG Blob Generator

Create unique organic SVG blob shapes with a random seed, complexity and smoothness controls. Copy inline SVG code in your browser.

CSS Gradient Generator

Design linear and radial CSS gradients with live preview — pick colors, angle and midpoint, then copy production-ready CSS.

Color Contrast Checker WCAG

Check the contrast ratio between text and background colors against WCAG 2.1 AA and AAA for normal and large text, with a live preview.

CSS Button Generator

Style a CSS button visually — colors, radius, padding, font size and shadow — with hover state included. Copy the CSS in one click.

PX To REM Converter

Convert pixels to rem (and rem to px) using any root font size. Paste a list of values or whole CSS and get conversions instantly.

CSS Text Shadow Generator

Create CSS text-shadow effects — soft glow, neon, long shadow or outline — with live preview and copy-ready code.

HEX To RGB Converter

Convert a HEX color code like #0A66FF into RGB, RGBA and HSL values with a live color swatch. Supports 3, 4, 6 and 8 digit hex. Free and instant.

Random Color Generator

Generate random colors with HEX, RGB and HSL codes — any color, pastels, vivid, dark or grayscale. Pick how many and copy the codes. Free and instant.

CSS Transform Generator

Build CSS transforms visually: rotate, scale, skew and move an element with sliders, then copy the transform code. Free with live preview.

CSS Loading Spinner Generator

Generate a lightweight pure-CSS loading spinner: pick a style, size and color, preview it live and copy the HTML and CSS. Free and private.

CSS Text Outline Generator

Create outlined (hollow) text with text-stroke or layered text-shadow, with live preview and copy-ready CSS. Free and private.

CSS Neon Text Generator

Make glowing neon text with layered text-shadows, pick your glow color and intensity, and copy the CSS. Free with live preview.

RGB To HEX Converter

Convert RGB values to a HEX color code instantly with a live color preview. Also shows HSL for CSS. Runs in your browser.

Online Color Picker

Pick any color and instantly get its HEX, RGB, HSL and CMYK codes, plus lighter and darker shades to copy for CSS and design.

CSS Minifier

Minify CSS by strippi