All Tools

Flow Studio

Run curated browser workflows for JSON, CSV, SQL, SEO, Markdown, code and encoding tasks

API

API Playground

Test REST APIs, inspect responses, save requests and debug HTTP workflows in the browser

Developer ToolsServer

NOTE

ToolsFam Scratchpad

Capture local notes, snippets, tool outputs, JSON, logs, URLs and todos without signing in

Workspace ToolsLocal

DATA

Universal Data Converter & Cleaner

Auto-detect, clean, preview and convert JSON, CSV, YAML, XML, tables, SQL inserts and TypeScript types

HTML CSS JS Playground

Write HTML, CSS and JavaScript in the browser with live preview and console output

JavaScript Playground

Run JavaScript snippets safely in the browser for learning, practice and quick debugging

TypeScript Playground

Compile TypeScript to JavaScript and run it instantly with readable output and errors

SQL

SQL Playground

Practice SQLite queries in your browser with sample tables, joins and result grids

MOCK

Mock API Generator

Generate JSONPlaceholder-style fake REST API responses for frontend testing and demos

Background Remover

Remove image backgrounds with browser ML and export transparent PNGs

OCR

Image to Text OCR

Extract text from screenshots, scans and photos with browser-based OCR

Image Watermark Tool

Add text watermarks to images with position, opacity and size controls

SHOT

Screenshot Beautifier

Turn plain screenshots into polished shareable images with frames, padding and shadows

WEB

Website Screenshot Tool

Capture public website screenshots in desktop, tablet and mobile viewport sizes

Image ToolsServer

BAR

Barcode Generator

Create scannable EAN-13, EAN-8 and Code 128 barcodes with polished SVG styles

JPG to PNG

Convert JPG photos into PNG images for sharper screenshots, transparency workflows and lossless handoff.

PNG to JPG

Convert PNG screenshots and graphics into smaller JPG files for email, listings and web uploads.

JPG to WebP

Convert JPG photos into compact WebP images for faster websites and modern publishing.

PNG to WebP

Convert PNG files into smaller WebP assets while preserving visual quality for the web.

WebP to JPG

Convert WebP images into JPG files for older apps, forms and upload systems.

B64

Image to Base64

Convert images into Base64 data URLs for CSS, HTML, JSON payloads and quick embeds.

MIN

Compress Image

Compress JPG, PNG, WebP and browser-supported images with preview, savings and download.

Compress JPG

Compress JPG files for smaller uploads, faster pages and cleaner sharing.

SIZE

Resize Image

Resize images to exact width and height for websites, profiles, stores, forms and social media.

ROT

Rotate Image

Rotate JPG, PNG, WebP and browser-supported images by 90, 180 or 270 degrees with preview and download.

FMT

Convert Image Format

Convert images between JPG, PNG, WebP and AVIF when supported by your browser.

PDF to Text

Extract selectable text from PDF files locally for notes, search and cleanup workflows.

ZIP

Compress PDF

Reduce PDF file size locally where possible and download an optimized copy.

Merge PDF

Combine multiple PDF files into one organized document.

Split PDF

Split a PDF into individual page files or selected ranges.

Rotate PDF

Rotate all PDF pages or selected pages by 90, 180 or 270 degrees.

JSON to TypeScript Types

Infer TypeScript interfaces from JSON samples and inspect the detected object shape.

HAR File Analyzer

Analyze HAR JSON for slow requests, status codes, transferred bytes and timing bottlenecks.

Env File Validator

Validate .env files for duplicate keys, empty values, unsafe names and expansion hints.

Lighthouse JSON Viewer

Read Lighthouse report JSON and summarize scores, audits and Core Web Vitals findings.

CSS Analyzer

Analyze CSS for selector count, media queries, custom properties and rule complexity.

CSV to JSON

Convert CSV rows into structured JSON arrays for APIs, imports and developer fixtures.

JSON to YAML

Convert JSON objects into readable YAML for configs, docs and DevOps workflows.

XML to JSON

Convert XML markup into JSON for APIs, debugging and data cleanup.

Excel to JSON

Convert the first Excel worksheet into JSON records using real XLSX parsing.

JSON Validator

Validate JSON syntax and get readable error messages before using data in APIs or configs.

JSON Viewer

Format JSON into a readable inspected view for nested API responses and configs.

SQL

SQL Formatter

Format SQL keywords and clauses for readable query sharing.

ENTI

HTML Encode

Encode HTML-sensitive characters into entities for safe display.

HTML Decode

Decode HTML entities back into readable markup characters.

JWT Decode

Decode JWT header and payload locally without verifying or uploading tokens.

Slug Generator

Create clean URL slugs from page titles, product names and headings.

Remove Duplicate Lines

Remove duplicate lines while keeping the first occurrence in order.

Word Counter

Count words, characters, sentences and reading time for drafts and SEO copy.

HEX to RGB

Convert HEX colors into RGB values for CSS, design tokens and handoff.

RGB to HEX

Convert RGB colors into HEX notation for CSS and design systems.

Contrast Checker

Check WCAG contrast between foreground and background colors.

CM to Inches

Convert cm to in instantly with formula, copyable result and browser-side calculation.

KG to Pounds

Convert kg to lb instantly with formula, copyable result and browser-side calculation.

Celsius to Fahrenheit

Convert c to f instantly with formula, copyable result and browser-side calculation.

MB to GB

Convert mb to gb instantly with formula, copyable result and browser-side calculation.

ADDR

Address Generator

Generate realistic global test addresses with country presets, quantity, CSV and JSON export

TEL

Phone Number Generator

Create realistic phone numbers for mockups, test fixtures and form QA with country-aware formatting

NAME

Name Generator

Generate realistic names for test users, demo data, personas and UI mockups

USER

Username Generator

Generate clean username ideas with style controls, length limits and bulk export

MAIL

Email Generator

Generate realistic test email addresses using safe domains, names and custom patterns

DATA

Dummy Data Generator

Generate structured fake users, companies, products and addresses with table preview and exports

Percentage Calculator

Calculate percentages, percent change, percentage of a number and reverse percentage instantly

AGE

Age Calculator

Calculate exact age in years, months and days from a birth date with next birthday details

DAYS

Date Difference Calculator

Find days, weeks, months and years between two dates with inclusive/exclusive options

SALE

Discount Calculator

Calculate sale price, savings, original price and final price after tax or extra discount

LEN

Length Converter

Convert meters, kilometers, miles, feet, inches, centimeters and yards with formulas

Weight Converter

Convert kilograms, grams, pounds, ounces and stones with instant reverse conversion

TEMP

Temperature Converter

Convert Celsius, Fahrenheit and Kelvin with formulas and common reference points

BYTE

Data Storage Converter

Convert bytes, KB, MB, GB, TB and binary units for files, hosting and bandwidth planning

{ }

JSON Formatter

Format, validate, minify and debug JSON from APIs, configs, webhooks and logs

YML

YAML to JSON

Convert YAML configs into clean JSON for APIs, Kubernetes, CI files and app settings

B64

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings, including URL-safe payloads

URL

URL Encoder / Decoder

Encode and decode URLs, query parameters, Unicode text and percent-encoded strings

UUID

UUID Generator

Generate secure UUID v4 values for databases, test data, logs and application IDs

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes for text and checksum workflows

TIME

Unix Timestamp Converter

Convert Unix timestamps to readable dates and convert local dates back to epoch time

JSON to CSV Converter

Convert JSON arrays into CSV tables with headers, delimiters and one-level nested flattening

GRD

CSS Gradient Generator

Design linear, radial and conic CSS gradients with live preview, presets and copyable CSS

SHD

Box Shadow Generator

Build layered CSS box shadows visually with live preview, inset mode and copyable CSS

Color Picker

Pick colors from images and convert them into HEX, RGB and HSL values for design work

PWD

Password Generator

Generate strong random passwords locally with browser crypto for accounts, test users and vaults.

SHA-256 Checksum Generator

Create SHA-256 hashes for text verification, checksums and integrity comparisons in the browser.

Regex Tester

Test JavaScript regular expressions with flags, capture groups, replacement preview and safety warnings.

Meta Tag Generator

Generate SEO title, description, Open Graph and Twitter card meta tags for webpages.

SEO

Keyword Density Checker

Measure repeated terms and keyword density in SEO copy using exact browser-side counting.

QR Code Generator

Generate a scannable QR-style code preview for URLs, text and contact snippets.

{}

JSON to TypeScript Generator

Generate TypeScript interfaces from JSON samples for API clients, mocks and docs.

Cron Expression Generator

Validate cron expressions, explain schedules and preview the next run times for jobs and automations.

Text Cleaner

Clean messy pasted text by fixing spacing, duplicate blank lines, smart quotes and broken paragraphs.

Duplicate Line Remover

Remove duplicate lines, trim whitespace and keep useful unique lists for spreadsheets, URLs and notes.

Markdown Table Generator

Convert CSV rows or pasted table text into clean Markdown tables for docs, GitHub and notes.

Email List Validator

Validate pasted email lists, separate valid and invalid entries, and export a clean deduped list.

CSV Cleaner / Table Cleaner

Trim whitespace, remove empty rows, normalize headers and deduplicate rows in CSV tables.

BOT

Robots.txt Tester

Review robots.txt rules for crawl blocking mistakes, sitemap references and risky directives.

HTTP Header Analyzer

Analyze a public URL or pasted response headers for security, cache, CORS, content and server signals.

Code Screenshot Generator

Turn code snippets into polished PNG images for documentation, social posts, tutorials and launch notes.

PDF Metadata Editor

Edit PDF title, author, subject and keywords before sharing or archiving documents

Image Filter Editor

Adjust brightness, contrast, saturation and grayscale with live preview and export

WebP to PNG

Convert WebP images into PNG files for editing, screenshots and transparency-friendly workflows.

AVIF to JPG

Convert AVIF images into widely compatible JPG files when your browser can decode AVIF locally.

AVIF to PNG

Convert AVIF images into PNG files for editing, screenshots and compatibility workflows.

AVIF to WebP

Convert AVIF images into WebP for modern web delivery with broader support.

AVIF

WebP to AVIF

Convert WebP images into AVIF where browser encoding support is available.

SVG to PNG

Render SVG artwork into PNG bitmaps for previews, favicons, slides and apps that need raster images.

SVG to JPG

Render SVG artwork into JPG bitmaps with a white background for documents and upload forms.

BMP to JPG

Convert large BMP files into JPG photos for easier sharing and smaller uploads.

BMP to PNG

Convert BMP images into PNG files for cleaner editing and web-friendly graphics.

TIFF to JPG

Convert TIFF images into JPG when browser decoding is available, with clear fallback guidance.

TIFF to PNG

Convert TIFF images into PNG for archival previews and editing when supported locally.

HEIC to JPG

Convert HEIC photos into JPG when your browser can decode the selected image locally.

HEIC to PNG

Convert HEIC photos into PNG for editing and compatibility when local browser support allows it.

IMG

Base64 to Image

Decode Base64 image data URLs into downloadable image files with preview.

Compress PNG

Compress PNG files for smaller uploads, faster pages and cleaner sharing.

Compress WEBP

Compress WEBP files for smaller uploads, faster pages and cleaner sharing.

100

Compress Image to 100KB

Reduce an image toward a 100KB target for forms, portals, emails and web uploads.

200

Compress Image to 200KB

Reduce an image toward a 200KB target for forms, portals, emails and web uploads.

500

Compress Image to 500KB

Reduce an image toward a 500KB target for forms, portals, emails and web uploads.

CROP

Crop Image

Crop images by pixel area for thumbnails, profile photos, product listings and clean previews.

Text to PDF

Turn plain text into a simple PDF document with browser-side generation.

IMG

PDF to Images

Export every PDF page as image files and download them together as a ZIP.

Images to PDF

Combine JPG, PNG and WebP images into one ordered PDF document.

B64

PDF to Base64

Encode PDF files into Base64 for JSON payloads, testing and data URL workflows.

Base64 to PDF

Decode Base64 PDF strings into a downloadable PDF file with validation.

100

Compress PDF to 100KB

Reduce a PDF toward a 100KB target for upload portals and email limits.

200

Compress PDF to 200KB

Reduce a PDF toward a 200KB target for upload portals and email limits.

500

Compress PDF to 500KB

Reduce a PDF toward a 500KB target for upload portals and email limits.

Extract PDF Pages

Extract selected PDF pages into a new document.

Remove PDF Pages

Remove selected pages from a PDF and download the cleaned copy.

Reorder PDF Pages

Reorder PDF pages by typing a new page sequence.

Unlock PDF

Try to open non-password-restricted PDFs and save an unlocked copy when legally allowed.

Protect PDF with Password

Check browser support and learn safe options for password-protecting PDF files.

Add Page Numbers to PDF

Add page numbers to the bottom of each PDF page and download the result.

Add Watermark to PDF

Add a text watermark to each PDF page with local browser processing.

JSON to Zod Schema

Generate a practical Zod schema from JSON samples for runtime validation drafts.

TypeScript Interface to Zod Schema

Convert simple TypeScript interface fields into a starter Zod object schema.

CommonJS to ESM Converter

Convert common require/module.exports patterns into ESM import/export syntax where safe.

HTML to JSX Converter

Convert HTML attributes into JSX-friendly props such as className and htmlFor.

OpenAPI to TypeScript Client

Inspect OpenAPI JSON/YAML and create a typed fetch-client starter from paths and methods.

GraphQL to TypeScript Types

Extract GraphQL object/input types into TypeScript type declarations.

Env to Typed Config

Turn .env examples into a typed config object and Zod validation draft.

API Contract Diff

Compare two JSON API contracts or schemas and summarize added, removed and changed paths.

HTTP Header Inspector

Inspect pasted HTTP headers for security, cache, content, cookie and CORS signals.

Log Analyzer

Summarize log levels, timestamps, errors and repeated messages from plain or logfmt logs.

Stack Trace Formatter

Format stack traces into readable frames with file, line and function hints.

Regex Tester + Safety Check

Test JavaScript regex patterns and flag risky nested quantifiers before using them on large input.

API Response Inspector

Inspect JSON API responses for types, paths, nulls, arrays and validation-ready structure.

Docker Compose Checker

Best-effort local Compose YAML checks for services, images, builds, ports and risky settings.

Cron Expression Tester

Validate cron syntax and preview readable schedule parts for jobs and automations.

CSP Analyzer / Builder

Analyze Content Security Policy directives and flag unsafe-inline, unsafe-eval and missing defaults.

SSL Certificate Decoder

Best-effort local PEM certificate inspection for subject, issuer and validity fields when visible.

Package.json Analyzer

Inspect package.json scripts, dependencies, engines and package naming issues.

CORS Header Inspector

Inspect CORS response headers for wildcard origins, credentials and preflight readiness.

Bundle Analyzer Lite

Inspect webpack stats JSON for large assets, chunks and module size hotspots.

Source Map Size Analyzer

Inspect source map JSON for source counts, embedded source content and rough weight signals.

Web Vitals Calculator

Classify LCP, INP, CLS, FCP and TTFB values against current Core Web Vitals thresholds.

Cache Header Analyzer

Analyze Cache-Control, ETag and Vary headers for browser and CDN caching behavior.

Critical Request Chain Viewer

Build a best-effort critical request chain summary from HAR entries and initiators.

Image Weight Analyzer

Analyze image URL/file manifests for total weight, largest assets and compression opportunities.

CSS Specificity Calculator

Calculate selector specificity for CSS selectors and compare override risk.

CSS Selector Complexity Analyzer

Find long, deep or expensive selectors that can hurt maintainability.

CSS Variables Inspector

Extract CSS custom properties and show duplicate token names and fallback usage.

CSS Duplicate Rules Finder

Find repeated CSS selectors and duplicate declaration blocks for cleanup.

CSS Minifier / Formatter

Format or minify CSS with safe whitespace handling and size comparison.

Design Token Extractor

Extract color, spacing, radius and shadow tokens from CSS into JSON-ready groups.

Color Contrast Checker

Check foreground/background color contrast against WCAG ratios for UI text.

JSON to XML

Convert JSON objects into XML markup for integrations, feeds and legacy systems.

CSV to YAML

Convert spreadsheet-style CSV data into YAML lists for configs and documentation.

YAML to CSV

Convert YAML lists or objects into CSV tables for spreadsheet handoff.

CSV to XML

Convert CSV rows into XML records for feeds, imports and legacy tools.

XML to CSV

Convert repeated XML records into CSV rows for spreadsheets and QA review.

TSV to CSV

Convert tab-separated values into CSV with proper escaping for spreadsheet tools.

TSV

CSV to TSV

Convert CSV data into tab-separated values for sheets, scripts and database imports.

EXCE

JSON to Excel

Convert JSON arrays into a downloadable Excel workbook for spreadsheet users.

Excel to CSV

Convert the first Excel worksheet into CSV with real workbook parsing.

EXCE

CSV to Excel

Convert CSV rows into a downloadable Excel workbook for sharing and review.

JSON Minifier

Minify JSON into compact payloads for embeds, configs and transport.

JSON Escape

Escape text so it can be safely placed inside a JSON string value.

JSON Unescape

Decode escaped JSON string content back into readable text.

DIFF

JSON Compare

Compare two JSON documents separated by --- and list changed, added and removed paths.

JSON Sorter

Sort JSON object keys recursively for stable snapshots, fixtures and documentation.

VALU

JSON Path Tester

Test simple dot paths against JSON and copy the matched value.

YAML Formatter

Format YAML into clean JSON-style validated output for safer review.

YAML Validator

Validate YAML syntax and show parsed output for configs and manifests.

XML Formatter

Pretty-print XML markup for feeds, configs, sitemaps and legacy integrations.

XML Validator

Validate XML parseability and catch malformed tags before integrations fail.

XML Minifier

Remove unnecessary whitespace between XML tags for compact payloads.

CSV Formatter

Normalize CSV spacing and quoting for cleaner spreadsheet handoff.

CSV Viewer

Preview CSV rows as clean normalized CSV output for quick inspection.

REPO

CSV Validator

Validate CSV structure and report row or parse errors.

HTML Formatter

Format HTML tags into readable nested markup for snippets and templates.

CSS Formatter

Format CSS blocks and declarations for cleaner frontend handoff.

JAVA

JavaScript Formatter

Apply lightweight JavaScript spacing for readable snippets and examples.

TYPE

TypeScript Formatter

Apply lightweight TypeScript spacing for readable snippets and examples.

Markdown to HTML

Convert Markdown into HTML for docs, CMS previews and publishing workflows.

MARK

HTML to Markdown

Convert simple HTML snippets into Markdown for docs and notes.

JWT

JWT Encoder

Create an unsigned JWT-style header and payload for demos and documentation only.

Unicode to Text

Decode Unicode escape sequences into readable text.

UNIC

Text to Unicode

Convert text into Unicode escape sequences for debugging and examples.

Binary to Text

Decode binary byte groups into text.

BINA

Text to Binary

Convert text into 8-bit binary groups.

Hex to Text

Decode hexadecimal byte values into readable text.

HEX

Text to Hex

Convert text into hexadecimal byte values.

BINA

Decimal to Binary

Convert decimal numbers into binary values.

DECI

Binary to Decimal

Convert binary numbers into decimal values.

DECI

Hex to Decimal

Convert hexadecimal numbers into decimal values.

HEX

Decimal to Hex

Convert decimal numbers into hexadecimal values.

Case Converter

Convert text into uppercase, lowercase, title case, sentence case, slug case and constant case in one clean output.

Uppercase Converter

Convert text to uppercase for labels, headings and spreadsheet cleanup.

Lowercase Converter

Convert text to lowercase for normalization, imports and matching.

Title Case Converter

Convert headings and titles into readable title case.

Sentence Case Converter

Convert text into sentence case for cleaner paragraphs and captions.

Remove Extra Spaces

Remove repeated spaces and excessive blank lines from pasted text.

Remove Line Breaks

Remove line breaks and join copied text into a clean paragraph.

Add Line Numbers

Add line numbers to notes, logs, snippets and pasted lists.

Sort Lines

Sort lines alphabetically for lists, notes, URLs and keywords.

Character Counter

Count characters with and without spaces for snippets, titles and messages.

Text Reverser

Reverse characters and words for quick text experiments and debugging.

Markdown Cleaner

Clean Markdown spacing, repeated blank lines and list formatting before publishing.

HEX to HSL

Convert HEX colors into HSL for easier hue and lightness adjustments.

HSL to HEX

Convert HSL colors into HEX for CSS variables and design tokens.

RGB to HSL

Convert RGB colors into HSL for accessible color tuning.

HSL to RGB

Convert HSL colors into RGB for CSS and canvas workflows.

Color Palette Generator

Generate a small tint and shade palette from a base color.

Inches to CM

Convert in to cm instantly with formula, copyable result and browser-side calculation.

Feet to Meters

Convert ft to m instantly with formula, copyable result and browser-side calculation.

Meters to Feet

Convert m to ft instantly with formula, copyable result and browser-side calculation.

KM to Miles

Convert km to mi instantly with formula, copyable result and browser-side calculation.

Miles to KM

Convert mi to km instantly with formula, copyable result and browser-side calculation.

Pounds to KG

Convert lb to kg instantly with formula, copyable result and browser-side calculation.

Grams to Ounces

Convert g to oz instantly with formula, copyable result and browser-side calculation.

Ounces to Grams

Convert oz to g instantly with formula, copyable result and browser-side calculation.

Fahrenheit to Celsius

Convert f to c instantly with formula, copyable result and browser-side calculation.

Celsius to Kelvin

Convert c to k instantly with formula, copyable result and browser-side calculation.

Kelvin to Celsius

Convert k to c instantly with formula, copyable result and browser-side calculation.

KB to MB

Convert kb to mb instantly with formula, copyable result and browser-side calculation.

MB to KB

Convert mb to kb instantly with formula, copyable result and browser-side calculation.

GB to MB

Convert gb to mb instantly with formula, copyable result and browser-side calculation.

Bytes to KB

Convert bytes to kb instantly with formula, copyable result and browser-side calculation.

GB to TB

Convert gb to tb instantly with formula, copyable result and browser-side calculation.

Seconds to Minutes

Convert sec to min instantly with formula, copyable result and browser-side calculation.

Minutes to Seconds

Convert min to sec instantly with formula, copyable result and browser-side calculation.

Hours to Minutes

Convert hr to min instantly with formula, copyable result and browser-side calculation.

Days to Hours

Convert day to hr instantly with formula, copyable result and browser-side calculation.

LOC

Location Generator

Generate cities, coordinates, countries and timezone-friendly location rows for testing

DATE

Date Generator

Generate random dates, ranges and timestamps for tests, seed data and scheduling demos

TIME

Time Duration Calculator

Add, subtract and compare time durations in hours, minutes and seconds

BMI

BMI Calculator

Calculate body mass index with metric and imperial inputs plus cautious category guidance

Password Strength Checker

Check password length, character variety and common weakness signals without sending it anywhere.

Basic Auth Header Generator

Create HTTP Basic Authorization headers from a username and password for API testing.

CORS Header Generator

Generate common CORS response headers for frontend API development and browser debugging.

CSP Header Generator

Generate a starter Content Security Policy header to harden websites and reduce XSS risk.

HTML Escape / Unescape

Escape HTML entities for safe display or decode entity-encoded snippets back to readable markup.

UTM

URL Parser

Break URLs into protocol, host, path, query parameters and hash fragments for debugging.

SLG

URL Slug Generator

Create clean SEO-friendly URL slugs from titles, product names, headings and filenames.

Markdown Preview

Preview Markdown headings, lists, links and code as clean HTML before publishing.

CSS Minifier

Minify CSS by removing comments, whitespace and unnecessary spacing for smaller stylesheets.

Schema Markup Generator

Generate JSON-LD Organization, WebSite and Article schema snippets for SEO markup.

SERP Snippet Preview

Preview Google-style title, URL and meta description snippets before publishing pages.

UTM

UTM Builder

Build campaign URLs with source, medium, campaign, term and content tracking parameters.

Open Graph Preview

Preview title, description and image text for social sharing cards before pages go live.

HTTP Status Code Explainer

Search HTTP status codes with plain-English meaning, likely causes and practical developer fixes.

PWD

NanoID Generator

Generate Nano IDs with length, alphabet presets, batch output, copy and download actions.

CSS Clamp Generator

Create CSS clamp() expressions for fluid responsive typography and spacing.

Tailwind Color Converter

Convert HEX colors into RGB channels and Tailwind-ready CSS variable snippets.

Sitemap Validator

Validate sitemap URL lists or XML for crawlability, HTTPS usage and duplicate entries.