PDF Toolkit
Merge, split, and compress PDFs locally in your browser.
All tools
Browse 60 Toolars tools in this category. Every listing keeps processing mode, pricing, and AI consent visible before you open it.
Mortgage Calculator
Calculate payments, total interest, and amortization schedules.
BMI Calculator
Calculate body mass index and health ranges locally.
Compound Interest Calculator
Model investment growth and recurring contributions.
Loan Calculator
Calculate monthly payments, total interest, and payoff schedules for personal, auto, or student loans.
Retirement Calculator
Estimate how much you need to save for retirement and whether you are on track.
Debt Payoff Calculator
Compare avalanche and snowball payoff plans for credit cards, loans, and other debt.
ROI Calculator
Calculate return on investment percentage and profit for any investment scenario.
Discount Calculator
Calculate sale price, discount amount, tax, and final checkout savings.
APY Calculator
Compare annual percentage yield across rates, balances, and compounding frequency.
Rule of 72 Calculator
Estimate how long it takes money to double from an annual return rate.
Calorie Deficit Calculator
Estimate daily calorie targets for weight change from TDEE and goal pace.
Savings Goal Calculator
Calculate how long it takes to reach a savings target from current and monthly savings.
Tip Calculator
Calculate tip amount, total bill, and per-person split for restaurants, delivery, and group outings.
Bill Split Calculator
Split group bills equally or by item with tips, taxes, and per-person breakdowns.
Unit Converter
Convert length, weight, temperature, area, volume, speed, and data storage units.
Hourly to Salary Calculator
Convert hourly wage into annual, monthly, and weekly salary with overtime assumptions.
Percentage Calculator
Calculate percentages, percentage increase or decrease, and what percent one number is of another.
Stock Average Calculator
Calculate average cost per share, total cost basis, and breakeven after multiple purchases.
JSON Repair
Fix malformed LLM JSON output, trailing commas, quotes, and arrays.
Prompt Injection Scanner
Scan prompts for jailbreaks, instruction overrides, and hidden payloads.
LLM Cost Calculator
Estimate token cost across providers, models, context windows, and traffic.
MCP Server Builder
Build manifests, tool schemas, prompts, resources, and launch docs.
JSON Formatter
Format, validate, and beautify JSON data.
CSS Gradient Generator
Create implementation-ready gradients for UI surfaces.
Base64 Converter
Encode and decode Base64 text locally for API payloads, secrets, and debugging.
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, and readable titles.
Slug Generator
Turn titles and labels into clean URL slugs with predictable separators.
Text Stats
Count words, characters, sentences, and reading time for pasted text.
UUID Generator
Generate and inspect UUID values locally for tests, fixtures, and identifiers.
URL Encoder
Encode, decode, and inspect URL components without sending text to a server.
HTML Entity Encoder
Escape and unescape HTML entities for safe snippets, docs, and debugging.
CSV to JSON Converter
Convert CSV rows into structured JSON locally with header handling and validation notes.
JSON to CSV Converter
Turn JSON arrays into CSV tables locally with escaped fields and row statistics.
JSON Diff Checker
Compare JSON payloads locally and review added, removed, and changed paths.
YAML Validator
Validate YAML syntax, indentation, and structure before config changes ship.
XML Formatter
Format or minify XML snippets locally for feeds, config files, and payload review.
Markdown to JSON Converter
Extract headings, lists, links, code blocks, and metadata from Markdown as JSON.
Diff Checker
Compare two text versions locally and review line-level additions and removals.
Text Diff
Compare text with whitespace, case, and trim options for local review.
URL Parser
Parse, decode, and inspect URL components with query, path, host, and protocol breakdowns.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal with validation notes.
File Size Converter
Convert file sizes across bytes, KB, MB, GB, TB, and PB with decimal and binary modes.
Chmod Calculator
Calculate Linux file permissions with octal, symbolic, and owner-group-other views.
IPv4 Subnet Calculator
Calculate IPv4 network address, broadcast, usable hosts, CIDR notation, and binary views.
Timestamp Converter
Convert Unix timestamps into readable dates and compare second or millisecond precision.
User Agent Parser
Parse browser User-Agent strings into browser, OS, device type, and rendering engine.
Color Converter
Convert colors between HEX, RGB, HSL, HSV, CMYK, and named formats.
CSS Border Radius Generator
Create CSS border-radius values for all corners with preview-ready output.
Hash Generator
Generate MD5, SHA1, SHA256, and SHA512 hashes for local text and payload checks.
JWT Decoder
Decode and inspect JSON Web Tokens locally without verifying or sending secrets.
Password Generator
Generate secure passwords with length, symbol, number, and custom rule controls.
Regex Tester
Test regular expressions with real-time matches, groups, flags, and sample text.
SQL Formatter
Format and beautify SQL queries with dialect and style options for review.
Code Minifier
Minify JavaScript, CSS, and HTML code to reduce file size before shipping.
Cron Explainer
Decode cron expressions into readable schedules with next execution hints.
Docker Compose Converter
Convert between docker run commands and docker-compose.yml service definitions.
Base64 Image Encoder
Encode images to Base64 data URLs or decode Base64 content back to previewable images.
QR Code Generator
Generate QR codes from text, URLs, or data with customizable color and size settings.
Token Counter
Estimate tokens, characters, and cost-oriented prompt size for LLM workflows.