102 free tools
Everything SnapTools offers, in one place. Search by name or jump straight to a category. All tools run in your browser — no uploads.
PDF Tools
(8)PDF Merge
Combine multiple PDFs into one file. Drag to reorder. 100% client-side — no upload.
PDF Split
Extract specific pages or page ranges from a PDF. Files never leave your device.
PDF Compress
Shrink PDF size by re-encoding embedded images. Runs locally — no uploads.
PDF to JPG
Turn each PDF page into a JPG image. Download as a ZIP. Nothing leaves your device.
JPG/PNG to PDF
Combine JPG, PNG, or WebP images into a single PDF. Drag to reorder.
Rotate PDF
Rotate selected pages of a PDF 90°, 180°, or 270°. No upload required.
Delete PDF Pages
Remove specific pages from a PDF and download the cleaned-up file.
Add Page Numbers
Insert page numbers anywhere on every page of your PDF.
Image Tools
(8)Image Compressor
Reduce image file size with adjustable quality. Runs entirely on your device.
Image Resizer
Resize images to exact dimensions or by percentage with optional aspect-ratio lock.
Image Converter
Convert between HEIC, JPG, PNG, and WebP — all in your browser.
Background Remover
AI background removal that runs in your browser. No upload, no signup.
Image Cropper
Crop with presets for Instagram, YouTube thumbnails, stories, and more.
Bulk Image Resizer
Resize hundreds of images at once and download as ZIP. All client-side.
Image to Base64
Convert between images and Base64 data URIs in both directions.
Add Watermark
Add text or image watermarks with adjustable position and opacity.
Developer Tools
(12)JSON Formatter
Format, validate, and minify JSON. With error highlighting. Runs in your browser.
JWT Decoder
Decode JWT tokens to view the header and payload. Tokens never leave your device.
Base64 Encoder
Encode text to Base64 or decode Base64 back to text. UTF-8 safe.
URL Encoder
Percent-encode and decode URLs and query strings.
Regex Tester
Test regular expressions with live match highlighting and capture groups.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text in your browser.
UUID Generator
Generate one or many UUID v4 strings instantly. Cryptographically random.
Lorem Ipsum
Generate paragraphs, sentences, or words of placeholder text.
Color Converter
Convert and pick colors across HEX, RGB, and HSL.
Markdown Editor
Write Markdown with side-by-side live preview. Saves locally.
Diff Checker
Compare two text snippets and view differences side-by-side.
Cron Parser
Parse cron expressions into human language and see next run times.
Text Tools
(12)Word Counter
Count words, characters, sentences, paragraphs, and reading time in real time.
Case Converter
Convert text between upper, lower, title, sentence, camel, snake, and kebab case.
Reverse Text
Reverse text by character, by word, or flip line order. All client-side.
Remove Duplicate Lines
Strip duplicate lines from a text list. Case-sensitive or case-insensitive.
Sort Lines
Sort text lines A→Z, Z→A, numerically, or by length. Removes blanks optionally.
Find & Replace
Find and replace text with regex, case-insensitivity, and live counts.
Slugify
Turn any text into a clean, SEO-friendly URL slug.
Text ↔ Binary
Convert text to binary 1s and 0s and back. ASCII or UTF-8.
Text Repeater
Repeat a string any number of times with optional separator.
Remove Line Breaks
Strip newlines and extra whitespace from text. Replace with custom separator.
Extract Emails
Pull every email address out of pasted text. Optional dedupe & sort.
Text Statistics
Word/character counts, reading time, most-used words, and longest word.
Calculators
(12)BMI Calculator
Calculate Body Mass Index from weight and height. Metric or imperial.
Age Calculator
Calculate age in years, months, days, and total weeks from a birthdate.
Percentage Calculator
Solve any percentage problem: X% of Y, % change, increase/decrease.
Tip Calculator
Calculate tips, totals, and per-person splits in one place.
Mortgage Calculator
Estimate monthly mortgage payments and total interest over the loan term.
Loan Calculator
Compute monthly payment, total interest, and total cost of any loan.
GPA Calculator
Calculate weighted GPA from grades and credit hours.
Discount Calculator
Calculate sale price, amount saved, and final price with tax.
Compound Interest
Project investment growth with monthly contributions and compounding.
Unit Price
Compare unit prices to find which package is the better buy.
Time Card
Add up daily start/end times, subtract breaks, and compute total pay.
Scientific Calculator
Full-featured scientific calculator with trig, logs, and exponents.
Unit Converters
(10)Length Converter
Convert between meters, feet, inches, miles, kilometers, and more.
Weight Converter
Convert weights between kilograms, pounds, ounces, grams, and tons.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin instantly.
Speed Converter
Convert speeds between mph, km/h, m/s, knots, and Mach.
Area Converter
Convert area between m², ft², acres, hectares, and more.
Volume Converter
Convert volume between liters, gallons, cups, ounces, and milliliters.
Time Converter
Convert between seconds, minutes, hours, days, weeks, and years.
Data Storage
Convert digital storage units. Both decimal (KB) and binary (KiB) supported.
Energy Converter
Convert energy across joules, calories, kilowatt-hours, and BTUs.
Pressure Converter
Convert pressure between Pa, kPa, bar, psi, atm, and mmHg.
SEO & Web Tools
(10)Meta Tag Generator
Generate complete SEO meta tags for a page in seconds.
Open Graph Preview
Preview how a URL will look when shared on Facebook, LinkedIn, and more.
robots.txt Generator
Build a clean robots.txt with sitemaps and user-agent rules.
Keyword Density
Analyze a page or pasted text for keyword density and most-used phrases.
Schema Generator
Generate JSON-LD structured data for common schema.org types.
HTML Encoder
Encode HTML entities (&, <, >, ", ') and decode them back.
Canonical Tag
Generate a canonical link tag for any URL.
Sitemap Generator
Build a sitemap.xml from a list of URLs with lastmod and changefreq.
Twitter Card Preview
Preview Twitter/X summary and summary_large_image cards.
CSS Minifier
Strip whitespace and comments from CSS to shrink page size.
Security & Crypto
(8)Password Generator
Generate strong random passwords with custom length and character classes.
Password Strength
Estimate password strength and crack time. Runs locally — never sent over the wire.
Caesar Cipher
Encode or decode text with a classic Caesar shift cipher (ROT-N).
TOTP Generator
Generate time-based one-time passwords (TOTP) from a secret. RFC 6238.
API Token Generator
Generate random API tokens, keys, or session IDs in hex or Base64URL.
PIN Generator
Generate cryptographically random PINs (4, 6, or 8 digits).
Passphrase Generator
Generate memorable yet strong passphrases from a Diceware-style word list.
htpasswd Generator
Generate Apache .htpasswd lines (bcrypt) for basic auth.
Random Generators
(8)Random Number
Generate one or many random integers in a custom range. Crypto-strong.
Dice Roller
Roll standard tabletop dice (d4, d6, d8, d10, d12, d20, d100).
Coin Flip
Flip a virtual coin. Run dozens of flips and see the count.
Name Picker
Pick a random name from a list. Great for raffles and team draws.
Decision Maker
Stuck between options? Type them in and let chance decide.
Random Color
Generate a random color with copyable HEX, RGB, and HSL values.
Random Gradient
Generate beautiful random CSS gradients with one click.
List Randomizer
Shuffle a list of items into a random order. Great for queues and brackets.
QR & Barcode
(6)QR Code Generator
Generate QR codes for URLs, text, email, or phone numbers. Download PNG/SVG.
WiFi QR Code
Generate a QR code that connects phones to a WiFi network on scan.
vCard QR Code
Generate a QR code that saves a contact straight to a phone's address book.
SMS QR Code
Generate a QR code that opens a pre-filled SMS to a number.
Barcode Generator
Generate standard 1D barcodes: Code 128, EAN, UPC, Code 39.
QR Decoder
Decode QR codes from an uploaded image or your camera live.
Audio & Video
(8)Audio Recorder
Record from your microphone and download as WebM. No upload.
Webcam Snapshot
Snap a photo from your webcam and save it as a PNG.
Video Thumbnail
Extract still frame thumbnails from any video. Download as JPG/PNG.
Audio Trimmer
Cut a clip out of any audio file. Browser-only — no upload.
Text to Speech
Read text aloud with built-in browser voices. Multiple languages.
Speech to Text
Transcribe speech to text live using your browser's built-in recognizer.
Screen Recorder
Record a tab, window, or whole screen straight to a WebM file.
Video Mute
Strip the audio track from any video and download the silent version.