Now 89 Free Tools — 24 New Additions
24 new free tools just landed on ToolStand. Developer utilities, financial calculators, image tools, health & fitness, accessibility, and more. That brings the total to 88 tools — all free, all client-side, all working right in your browser with no downloads or signups.
🧑💻 Developer Tools (8 tools)
Regex Explainer translates regex patterns into human-readable explanations — token by token. XML Formatter formats and validates XML with DOMParser error detection. XML ↔ JSON Converter does bidirectional conversion between XML and JSON. CSV ↔ JSON Converter powered by PapaParse with smart delimiter detection. JSONPath Tester evaluates JSONPath queries against your JSON data. SSH Key Generator creates RSA and ECDSA key pairs in PEM format. SERP Preview shows how your page will look in Google search results. Open Graph Preview simulates Facebook, Twitter, and LinkedIn link cards.
💰 Finance Tools (3 tools)
Loan & Mortgage Calculator uses the PMT formula to calculate monthly payments, generates a full amortization schedule, and simulates extra payments. Inflation Calculator shows how purchasing power erodes over time — enter an amount, inflation rate, and years. Currency Converter fetches live exchange rates via the Frankfurter API with a 7-day trend chart.
🖼️ Image Tools (3 tools)
Image Resizer resizes and compresses images entirely in your browser using Canvas API — nothing uploaded to a server. Image Format Converter converts between PNG, JPEG, and WebP formats with batch processing. Color Blindness Simulator applies LMS color space matrices to show how images look with protanopia, deuteranopia, tritanopia, and achromatopsia.
❤️ Health & Fitness (3 tools)
Calorie & TDEE Calculator uses Mifflin-St Jeor BMR formula, activity multipliers, and goal adjustments to calculate your daily calorie target with macro breakdown. Pace & Running Calculator computes pace, time, or distance — enter any two, get the third. Includes race splits for 5K, 10K, half marathon, and marathon. BPM Tap Tempo detects beats per minute by tapping — great for DJs and musicians.
🔐 Security & Privacy (2 tools)
Text Encryptor uses AES-256-GCM encryption via the Web Crypto API — PBKDF2 key derivation, random salt and IV per encryption. Your data never leaves the browser. Random Number Generator generates cryptographically secure random numbers using crypto.getRandomValues. Modes include single numbers, multiple numbers, dice rolls, and lottery picks.
🎓 Education & Productivity (5 tools)
Function Graph Plotter graphs mathematical functions like sin(x), x², sqrt(x) using math.js and Chart.js. Support for multiple functions with different colors. Aspect Ratio Calculator simplifies resolutions (1920x1080 → 16:9) with YouTube, Instagram, TikTok presets. Invoice Generator creates professional invoices with dynamic line items — export via print to PDF. Pomodoro + Task Tracker combines a focus timer with a task list — sessions, breaks, and progress tracking. Wordle Solver finds matching 5-letter words from 2,200+ embedded words using green/yellow/gray letter constraints.
All 88 Tools
QR Generator, Spirit Level, Pomodoro, Metronome, Decibel Meter, Decision Wheel, Sleep Sounds, Dead Pixel Test, Due Date, Signature Generator, BMI, Age, Password Generator, Word Counter, Base64, Color Converter, Countdown, DPI, Roman Numerals, Tip, Compound Interest, Dividend, Minesweeper, Snake, Reaction Time, Tone Generator, Diff Checker, Script Timer, Title Generator, Token Counter, JSON Formatter, Trade Risk, DCA, Keto, UUID, JWT Decoder, Timestamp, URL Encoder, HTML Entity, Case Converter, Base Converter, Stopwatch, Date Difference, UTM Builder, Robots.txt, Meta Tags, Color Palette, Lorem Ipsum, Cron Builder, Hash Generator, Regex Tester, Markdown, Password Strength, Unit Converter, Readability, Timezone, JSON Compare, Water Intake, Gradient, JSON Schema, YAML, SQL Formatter, Barcode, Scientific Calculator, Temperature Tracker, Regex Explainer, XML Formatter, XML↔JSON, CSV↔JSON, JSONPath, SERP Preview, OG Preview, Inflation Calc, Random Number, Aspect Ratio, Text Encryptor, SSH Key Gen, BPM Tap, Image Resizer, Image Converter, Loan Calculator, Calorie/TDEE, Color Blindness, Pace Calc, Pomodoro+Task, Currency Converter, Function Plotter, Invoice Generator, Wordle Solver.
Try them all at toolstand.io. Free, forever. No sign-up. No download. Just tools that work.