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78+ powerful tools for developers and everyday users. Format JSON, edit PDFs, track habits, calculate finances and more, with no signup required.

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Developer Tools 8 tools

JSON Formatter

Format, beautify and validate JSON with syntax highlighting.

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JSON Compare

Find real differences between two JSON files.

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XML Formatter

Format and validate XML online with error detection.

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Regex Tester

Test regular expressions with live match highlighting.

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Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly.

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Base64 Encoder

Encode and decode Base64 text and files online.

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URL Encoder

Encode or decode URLs and query parameters online.

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Screen Resolution

Detect screen resolution, viewport size, DPR and colour depth instantly.

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PDF Tools 23 tools

PDF Merge

Combine multiple PDF files into one. Drag to reorder pages.

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PDF Split

Split a PDF into multiple files or extract specific pages.

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PDF Compress

Reduce PDF file size without losing quality.

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Organize PDF

Reorder pages to any custom sequence — or duplicate and remove them.

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Remove PDF Pages

Delete individual pages or ranges from a PDF instantly.

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Extract PDF Pages

Save specific pages or ranges as a new standalone PDF file.

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Rotate PDF

Rotate all pages or specific pages 90°, 180° or 270°.

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Crop PDF

Trim page margins by entering top, bottom, left and right crop values.

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Add Page Numbers

Stamp page numbers at header or footer with custom font size and prefix.

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Add Watermark

Stamp a custom text watermark on every page. Adjustable opacity and colour.

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Protect PDF

Add a password to a PDF to prevent unauthorised access.

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Unlock PDF

Remove the password from a PDF you own and download the unlocked copy.

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PDF Security

Set granular permissions: restrict printing, copying, editing and more.

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Optimize PDF

Shrink PDF size by removing unused objects. Shows before/after savings.

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JPG to PDF

Convert one or more JPG/PNG images into a single PDF file.

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PDF to JPG

Render each PDF page as a high-quality JPG or PNG image.

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Scan to PDF

Combine scanned photos into a single PDF with thumbnail previews.

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OCR PDF

Extract text from scanned PDFs and images using Tesseract OCR.

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HTML to PDF

Convert HTML code to a multi-page PDF with a live preview editor.

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Fill PDF Forms

Fill text fields, checkboxes and dropdowns in any fillable PDF.

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Sign PDF

Draw your signature and embed it into any PDF page instantly.

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Edit PDF

Add text, border rectangles or yellow highlights to any PDF page.

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Redact PDF

Cover sensitive areas with black rectangles using coordinate input.

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Compare PDF

View two PDFs side by side and navigate pages together to spot differences.

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Data & Conversion Tools 9 tools

CSV to SQL

Convert CSV to SQL INSERT statements with auto type detection.

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CAMT.053 to CSV

Convert ISO 20022 bank statements to CSV, with a balance check.

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CSV Query

Run SQL queries on CSV files directly in your browser.

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Parquet to CSV

Convert Parquet files to CSV, with exact big numbers.

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Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

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Markdown to HTML

Convert Markdown to HTML with live preview.

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Color Converter

Convert colors between HEX, RGB, HSL, CMYK and HSB.

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Image Converter

Convert images between PNG, JPG, WebP, AVIF and BMP.

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Roman Numeral Converter

Convert numbers to Roman numerals and decode Roman numerals back to integers.

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General Public Tools 11 tools

Age Calculator

Calculate your exact age in years, months and days.

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BMI Calculator

Calculate Body Mass Index with metric or imperial units.

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Calorie Calculator

Calculate your daily calorie needs based on age, weight and activity.

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QR Code Generator

Generate QR codes for URLs, text, email or phone numbers.

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Barcode Generator

Create Code 128, EAN-13, UPC-A and Code 39 barcodes.

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Image Compressor

Compress JPEG and PNG images without visible quality loss.

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Typing Speed Test

Measure your typing speed in WPM and accuracy.

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Pomodoro Timer

Boost focus with 25-minute work sessions and short breaks.

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Invoice Generator

Create and download professional PDF invoices for free.

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World Clock

Live current time in 40+ cities. Day/night indicator and DST-aware.

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Sleep Calculator

Find the best wake-up or bedtime based on 90-minute sleep cycles.

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Blood Type Compatibility

Check which blood types you can donate to or receive from, with a full chart.

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Finance Calculators 8 tools

Currency Converter

Convert between 150+ currencies with live exchange rates.

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Compound Interest Calculator

See how your money grows with compound interest over time.

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Loan Calculator

Calculate monthly loan payments and total interest costs.

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Mortgage Calculator

Calculate monthly mortgage payments and total loan cost.

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Discount Calculator

Find the final price after a discount and your savings.

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Percentage Calculator

Calculate percentages, changes and ratios instantly.

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GST / VAT Calculator

Add or remove tax from any amount at any rate.

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Reverse Percentage Calculator

Find the original value before a % increase, discount, or VAT.

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Discount Stacking Calculator

See what 20% + 10% off really costs, and the best order.

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Tip Calculator

Calculate tip and split the bill between multiple people.

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Text & Writing Tools 9 tools

Word Counter

Count words, characters, sentences and reading time.

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Character Counter

Count characters with platform limits for Twitter, LinkedIn and more.

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Text Case Converter

Convert text to uppercase, lowercase, title case, camelCase and more.

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Text Diff Checker

Compare two texts and highlight added and removed lines.

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Lorem Ipsum Generator

Generate placeholder text in paragraphs, sentences or words.

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Fancy Text Generator

Transform text into bold, italic, script, circled and 8 more styles.

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ASCII Art Generator

Convert text to large block letter ASCII art.

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Morse Code Converter

Convert text to Morse code and decode Morse back to text.

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Text Repeater

Repeat any text up to 10,000 times with a custom separator and line breaks.

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Developer Extras 15 tools

JSON ↔ YAML Converter

Convert between JSON and YAML instantly in your browser.

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HTML Beautifier

Beautify or minify HTML code with one click.

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Cron Expression Parser

Decode any cron expression into plain English instantly.

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JWT Decoder

Decode and inspect JWT tokens with expiration checking.

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UUID Generator

Generate cryptographically secure UUID v4 identifiers.

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Password Generator

Generate strong, secure passwords with custom settings.

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Password Strength Checker

Check how strong your password is with a 7-point checklist.

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IP Address Lookup

Look up geolocation, ISP and timezone for any IP address.

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CSS Gradient Generator

Design linear and radial CSS gradients visually.

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Random Number Generator

Generate cryptographically secure random numbers in any range.

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Number to Words

Convert any number to its English word equivalent instantly.

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Privacy Policy Generator

Generate a free, customisable privacy policy for your website or app in seconds.

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PX to REM

Convert pixel values to REM and back with a customisable base font size.

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CSS Shadow Generator

Design box-shadow and text-shadow visually with live preview and CSS copy.

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Aspect Ratio Calculator

Calculate aspect ratios and scale dimensions while preserving the ratio.

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Productivity & Utility 13 tools

Stopwatch

Precision stopwatch with lap timer and millisecond accuracy.

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Countdown Timer

Set any countdown with presets for Pomodoro, 10 min and 1 hour.

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To-do List

Simple persistent task list that saves to your browser automatically.

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Sticky Notes

Colourful digital sticky notes in 6 colours. Auto-saves to browser.

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Habit Tracker

Track daily habits with a weekly grid and streak counter.

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Daily Planner

Schedule your day with timed tasks and optional durations.

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Meeting Timer

Agenda timer that auto-advances through items to keep meetings on track.

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Spin the Wheel

Customisable spinning wheel for random decisions and game picks.

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Coin Flip

Virtual coin flip with animation and heads/tails counter.

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Dice Roller

Roll d4, d6, d8, d10, d12 or d20 — up to 20 dice at once.

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Random Picker

Pick random items from any list. Highlights selections in the pool.

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Decision Maker

Can't decide? Enter options and let the animated picker choose for you.

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Team Picker

Split a list of names into balanced random teams with colour-coded cards.

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Browser Tools 9 tools

Internet Speed Test

Test your download speed, upload speed, and ping latency in your browser.

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Keyboard Tester

Press any key and see it light up. Detect stuck or broken keys instantly.

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Mouse Tester

Test all mouse buttons, scroll wheel, and pointer tracking in real time.

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Webcam Tester

Check your webcam with a live preview, resolution info, and snapshot download.

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Microphone Tester

Live audio level meter to verify your mic is picking up sound correctly.

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Dead Pixel Checker

Cycle through 8 solid-color fullscreen tests to find dead or stuck pixels.

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Monitor Color Test

8 fullscreen patterns to evaluate your monitor's color accuracy and sharpness.

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Browser Info Viewer

See your browser, OS, screen resolution, CPU, timezone and 20+ other details.

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Viewport Size Checker

Live viewport width, height, DPR, orientation and CSS breakpoint — updates on resize.

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Why Developers & Users Love AnyConverter

Everything you need, right in your browser — no installs, no accounts, no waiting.

Browser-Side Tools

Tools are designed to process your file and text content in the browser. Some pages load third-party libraries or services; see the privacy policy for details.

Instant & Free Forever

No subscriptions, no paywalls, no hidden fees. All 78+ tools are permanently free with no usage limits.

Zero Signup Required

Open any tool and start working immediately. No account, no email address, no friction — ever.

Works on Every Device

Fully responsive design works on desktop, tablet and mobile. Many tools continue working after the page has loaded.

78+ Tools in One Place

Developer utilities, PDF editors, calculators, productivity apps, browser testers and more — all under one roof.

Multi-Language Support

Available in English, Español and Dansk with full SEO support. More languages coming soon.