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Fast, free, and built for everyone. No sign-ups required.
No signup required — start using any tool instantly
ToolPeg is a free collection of 313+ browser-based utilities covering 19 categories — from finance calculators and SEO analyzers to developer formatters, image editors, and AI writing helpers. Every tool runs directly in your browser with no account creation, no software downloads, and no hidden fees.
Built for freelancers, students, small-business owners, and developers who need quick answers without the friction of signing up for yet another SaaS platform, ToolPeg focuses on speed, privacy, and simplicity. Most calculations and transformations happen entirely on your device, so your data stays with you.
Whether you need to estimate compound interest, generate meta tags, format JSON, count words, compress images, or convert currencies, ToolPeg gives you a single bookmark for everyday utility tasks. New tools are added regularly based on user feedback, and every existing tool is continuously refined for accuracy and usability.
Find and replace text with support for regex and case-sensitive matching.
Calculate gross, operating, and net profit margins for your business.
Calculate return on investment to evaluate the profitability of your investments.
Calculate compound interest with flexible compounding frequencies and contributions.
Generate optimized meta title and description tags for better search rankings.
Generate customizable QR codes for URLs, text, Wi-Fi, and more.
Format, validate, and beautify JSON data with syntax highlighting.
Encode and decode text or files to and from Base64 format.
Count words, characters, sentences, and paragraphs in your text.
Calculate profit margins, ROI, compound interest, loan payments, and more. Essential financial tools for businesses and individuals.
Optimize your website with meta tag generators, keyword analyzers, backlink checkers, and other SEO essentials.
Format JSON, encode Base64, generate UUIDs, minify code, and access a full suite of developer utilities.
Count words, convert text case, remove duplicates, generate Lorem Ipsum, and transform text in dozens of ways.
Compress images, resize photos, convert formats, pick colors, and edit images right in your browser.
Convert units, temperatures, currencies, time zones, and more with fast, accurate converter tools.
Generate strong passwords, hash text, check SSL certificates, and protect your online privacy.
Generate random numbers, passwords, colors, names, and more for testing, games, and creative projects.
AI-powered writing assistants, prompt generators, content rephrasing tools, and productivity boosters for the modern workflow.
Create captions, resize images for social platforms, generate hashtags, analyze engagement, and manage your social presence.
Merge, split, compress, convert, rotate, watermark, and extract text from PDFs — all processed securely in your browser.
Calculate Ohm's law, resistor color codes, wire gauges, LED resistors, voltage dividers, and PCB trace widths.
Love calculators, age converters, zodiac signs, numerology, countdowns, and other viral entertainment tools.
Calculate TDEE, macros, body fat, ideal weight, water intake, sleep cycles, heart rate zones, and more health & fitness metrics.
Calculate crypto profit/loss, convert between coins, estimate gas fees, mining profitability, staking rewards, and DCA strategy.
Calculate Amazon FBA fees, eBay/Etsy/Shopify fees, dropshipping margins, price per unit, and shipping cost estimates.
Calculate stamp duty, rental yield, property tax, home affordability, land area conversion, moving costs, and closing costs.
Calculate weighted grades, CGPA, college costs, student loan repayment, study schedules, reading time, and typing speed.
Calculate take-home pay (US & India), CTC to in-hand, overtime, bonus tax, freelance rates, HRA exemption, EPF, NPS, and TDS.
Generate optimized prompts for ChatGPT, Claude, Midjourney, and other AI tools with templates and best practices.
Rewrite and paraphrase text using rule-based synonym replacement and sentence restructuring.
Generate professional emails from brief descriptions — choose tone, purpose, and format.
Paste meeting notes and get structured summaries with action items, decisions, and key takeaways.
Generate structured blog post outlines with headings, subheadings, and content suggestions from a topic.
Analyze the tone and sentiment of your text — professional, casual, formal, friendly, or persuasive.
Practical explainers, comparisons, and walkthroughs that help you choose the right tool and use it with more confidence.
Choose the right AI writing helper for prompt design, rewriting, summarizing, grammar cleanup, email drafting, or product copy generation.
Choose the right calculator or converter for percentages, age, date math, units, or time differences instead of treating every quick calculation as the same job.
Choose the right crypto calculator for profit tracking, DCA planning, staking rewards, mining economics, taxes, or quick price conversions.
Choose the right developer utility for API payload formatting, Base64 inspection, UUID generation, and other quick debugging tasks in the browser.
Pick the right ecommerce calculator for Amazon FBA, eBay, Etsy, Shopify, dropshipping, wholesale pricing, or shipping cost scenarios.
Choose the right finance calculator for pricing, ROI, compound growth, EMI planning, or quick currency reference instead of relying on one generic number.