Every Tool You Need.
Zero Uploads.
123 privacy-first tools for PDF, images, text, code & more.
Runs in your browser. No accounts. No limits.
Most Popular
The tools people use most
PNG to JPG
Convert PNG images to JPG with quality control and batch support.
JPG to WebP
Convert JPG to WebP for smaller, higher-quality files.
Image Resizer
Resize images by pixels, percentage, or social media presets.
Image Compressor
Compress images with quality control and before/after preview.
Word Counter
Count words, characters, sentences, and paragraphs instantly.
Case Converter
Convert text between uppercase, lowercase, title case, and more.
JSON Formatter
Format, validate, and minify JSON with syntax highlighting.
Base64 Encoder/Decoder
Encode and decode Base64 for text and files.
Regex Tester
Test regular expressions with live highlighting and match details.
PDF Merger
Combine multiple PDFs into one — private and instant.
Percentage Calculator
Calculate percentages, tips, discounts, and tax instantly.
Unit Converter
Convert units across 5 categories: length, weight, temperature, speed, data.
Password Generator
Generate secure passwords with custom length and character sets.
Color Picker
Pick and convert colors between HEX, RGB, and HSL with live preview.
Countdown Timer
Countdown to any date with presets and alerts.
Meta Tag Generator
Generate SEO meta tags with Open Graph and SERP preview.
CSV to JSON
Convert CSV to JSON with auto-delimiter detection.
Random Number Generator
Generate secure random numbers with batch mode and formatting.
Flashcard Maker
Create and study flashcards — saved locally.
Currency Converter
Convert between major currencies with live rates.
Calorie Calculator TDEE
Calculate your daily calorie needs — BMR and TDEE.
Video to MP3
Extract audio from any video file — private.
OCR — Image to Text
Extract text from images using AI-powered OCR. Supports 15 languages.
Background Remover
Remove image backgrounds instantly with AI. 100% in-browser.
AI Translator
Translate text between 9 languages using AI — EN, VI, ZH, JA, KO, FR, DE, ES, RU. Multilingual models, only 2 models for all languages.
Speech to Text
Transcribe audio files or microphone recordings to text using AI — Whisper model.
Text to Speech
Convert text to speech with voice selection, speed, pitch, and volume control — instant, no download.
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Browse by Category
Find the right tool for the job
Image Tools
Convert, resize, compress, and edit images — 100% in your browser.
Text Tools
Count words, convert cases, generate slugs, and transform text instantly.
Developer Tools
Format JSON, encode Base64, test regex, and more dev utilities.
PDF Tools
Merge, split, compress, and edit PDF files privately in your browser.
Math & Calculators
Calculators, converters, and math solvers for everyday use.
Security Tools
Generate passwords, QR codes, hashes, and encrypt data securely.
Color Tools
Pick, convert, generate, and test colors for design and development.
Date & Time Tools
Countdown timers, timezone converters, date calculators, and more.
SEO & Marketing
Generate meta tags, robots.txt, sitemaps, and optimize for search engines.
Data & Spreadsheet
Convert between CSV, JSON, and other data formats instantly.
Fun & Utility
Random generators, dice rollers, wheel spinners, and fun tools.
Education & Students
Flashcards, quizzes, grade calculators, citation generators, and study tools.
Finance & Money
Currency converters, loan calculators, budget trackers, and investment tools.
Health & Medical
BMI, calorie, sleep cycle, body fat calculators and health tools.
Video & Audio
Convert, trim, compress video and audio files in your browser.
AI Tools
AI-powered tools running 100% in your browser — private, fast, free.
Why ToolBundle?
Mathematically Private
Your files never leave your browser. Every tool processes data locally. No uploads, no servers.
Instant Results
No upload waits, no queues. Results appear instantly because everything runs on your machine.
Free Forever
No accounts, no subscriptions, no paywalls. Every tool stays free for everyone.