Free developer tools in your browser
Compress, convert, encode, format and generate — 123 privacy-first utilities that need no sign-up and never upload your files.
PDF tools — free & private
Create, edit, annotate, compress, merge, split and convert PDFs. Nothing leaves your device.
PDF Compressor
Shrink PDFs right in your browser
Image to PDF
Combine images into a single PDF
PDF to Image
Render PDF pages as PNG or JPG
PDF to Word
Turn PDF pages into a Word document
Word to PDF
Convert .docx documents to PDF
PDF to Text
Extract selectable text from PDFs
Text to PDF
Plain text into a paginated PDF
PDF to PowerPoint
Turn PDF pages into a slide deck
PDF Rotator
Rotate pages by 90°, 180° or 270°
Remove Blank Pages
Delete empty PDF pages automatically
PDF Delete Pages
Remove unwanted pages
PDF Watermark
Stamp any text on every page
Add Page Numbers to PDF
Number pages in six positions
PDF Cropper
Cut margins away by percentage
Protect PDF
Lock a PDF with a password
Unlock PDF
Remove a password from a PDF
PDF Metadata Viewer
Inspect title, author, pages & dates
PDF to Excel
Extract tables as XLSX or CSV
PDF to Markdown
PDF text into .md or HTML
OCR PDF
Read text from scanned PDFs
PDF Compare
Spot differences between PDFs
Redact PDF
Black out sensitive information
Auto-Redact PDF
Black out every matching word
PDF Overlay
Stamp one PDF on top of another
Flatten PDF
Merge every page into a flat image
Remove Annotations
Strip comments, highlights, and links
Scale Pages
Resize every page of a PDF
HTML to PDF
Render HTML to a paginated PDF
PDF Merger
Combine PDFs in one file
PDF Splitter
Extract pages from a PDF
PDF Editor
Annotate, draw and highlight PDFs
PDF Creator
Create new PDFs from scratch
Excel to PDF
Convert spreadsheets to PDF
Browse all free tools
Press / to searchPDF Compressor
Shrink PDFs right in your browser
Image Compressor
JPG, PNG, WebP & AVIF compression
Gzip Compress & Decompress
Compress or decompress text and files
Image Resizer
Resize images pixel-perfect
Timestamp Converter
Unix time to human date and back
Case Converter
camelCase, snake_case, kebab-case…
Color Converter
HEX, RGB, HSL & CSS colors
Image to PDF
Combine images into a single PDF
PDF to Image
Render PDF pages as PNG or JPG
PDF to Word
Turn PDF pages into a Word document
Word to PDF
Convert .docx documents to PDF
PDF to Text
Extract selectable text from PDFs
Text to PDF
Plain text into a paginated PDF
PDF to PowerPoint
Turn PDF pages into a slide deck
PDF Rotator
Rotate pages by 90°, 180° or 270°
Remove Blank Pages
Delete empty PDF pages automatically
PDF Delete Pages
Remove unwanted pages
PDF Watermark
Stamp any text on every page
Add Page Numbers to PDF
Number pages in six positions
PDF Cropper
Cut margins away by percentage
Protect PDF
Lock a PDF with a password
Unlock PDF
Remove a password from a PDF
PDF Metadata Viewer
Inspect title, author, pages & dates
PDF to Excel
Extract tables as XLSX or CSV
PDF to Markdown
PDF text into .md or HTML
OCR PDF
Read text from scanned PDFs
PDF Compare
Spot differences between PDFs
Redact PDF
Black out sensitive information
Auto-Redact PDF
Black out every matching word
PDF Overlay
Stamp one PDF on top of another
Flatten PDF
Merge every page into a flat image
Remove Annotations
Strip comments, highlights, and links
Scale Pages
Resize every page of a PDF
Markdown to HTML
Convert Markdown to HTML
HTML to PDF
Render HTML to a paginated PDF
HTML to Image
Screenshot HTML as PNG, JPG or WebP
Image OCR & Text Extraction
Extract text from images
CSV ↔ JSON Converter
Convert spreadsheets to JSON and back
Number Base Converter
binary, octal, decimal & hex
CSS Unit Converter
px, em, rem, pt, % and viewport units
JSON ⇄ XML Converter
Convert between JSON and XML
JSON ⇄ YAML Converter
RFC 9512 YAML support
TOML ⇄ JSON Converter
Tom's Obvious Minimal Language
HTML ⇄ Markdown Converter
marked + Turndown
Roman Numerals Converter
Decimal ⇄ Roman numerals
Unit Converter
Temperature, length, weight & more
PDF Merger
Combine PDFs in one file
PDF Splitter
Extract pages from a PDF
PDF Editor
Annotate, draw and highlight PDFs
PDF Creator
Create new PDFs from scratch
SVG to PNG Converter
Rasterize SVG in your browser
URL Encoder & Decoder
Percent-encode URLs or single values — round-trip verified
Base64 Encoder & Decoder
Encode text to Base64 and back
Hash Generator
SHA-256, SHA-1 and more
HTML Entities Encoder & Decoder
Encode or decode HTML entities
Image ↔ Base64
Convert images to Base64 and back
Binary ↔ Text Converter
Convert text to binary and back
ROT13 & Caesar Cipher
Rotate letters by any shift
Morse Code Translator
Text ↔ Morse code
UTF-8 & Unicode Converter
Text ↔ hex bytes ↔ \u escapes
Base32 Encoder & Decoder
RFC 4648 Base32 encoding
AES Encrypt / Decrypt
AES-256-GCM encryption
JSON Formatter
Format, validate & minify JSON
Regex Tester
Test regular expressions live
Markdown Preview
Live Markdown editing & preview
HTML Minifier
Minify and pretty-print HTML
CSS Cursor Generator
Preview the cursor property
JWT Decoder & Verifier
Decode and verify JWT tokens
JSON to TypeScript
Generate TypeScript types from JSON
SQL Formatter
Format & beautify SQL queries
XML Formatter & Validator
Format, minify & validate XML
Cron Expression Parser
Explain & preview cron schedules
chmod Calculator
Octal ↔ symbolic permissions
PX ↔ REM Converter
Convert pixels to rem and back
HTTP Status Codes
Every HTTP status, explained
URL Parser
Break any URL into its parts
Checksum & HMAC Calculator
MD5, CRC-16, CRC-32, SHA & HMAC
JSON Tree Viewer
Collapsible JSON explorer
Bitwise Calculator
Bitwise AND, OR, XOR & more
IPv4 Converter
IP ↔ binary, hex, octal, integer
CIDR Calculator
Network, hosts & subnet masks
HTML Formatter
Beautifully indent HTML markup
CSS Beautifier
Readable, consistent CSS
JavaScript Beautifier
Format & validate JS instantly
CSV Formatter
Table view & normalized CSV
CSV ⇄ SQL Converter
CSV ↔ INSERT statements
SQLite Viewer
Open .db files & run queries
SVG Formatter
Beautify or minify SVG markup
Image Editor
Draw, annotate & edit images
Box Shadow Generator
CSS box-shadow builder
Border Radius Generator
CSS border-radius builder
Cubic Bézier Editor
Visual CSS easing curve builder
Gradient Generator
CSS linear & radial gradients
Image Format Converter
PNG ⇄ JPEG ⇄ WebP
Image Filters
Grayscale, invert, blur & more
Image Splitter
Slice images into tiles
Password Generator
Strong random passwords instantly
UUID Generator
Generate UUIDs in bulk
Lorem Ipsum Generator
Placeholder text for your designs
QR Code Generator
Create QR codes in seconds
Random Number Generator
Pick random numbers in a range
Random Name Picker
Pick winners from a list
Coin Flip & Dice Roller
Flip coins, roll polyhedral dice
Notepad
Private auto-saving text notepad
Diff Checker
Compare two texts line by line
Word Counter
Count words, chars, lines & reading time
Text Lines Tools
Sort, dedupe, shuffle & more
URL Slug Generator
Clean, SEO-friendly slugs
Fancy Unicode Text
Bold, script, fraktur & more
Upside Down Text
Flip and reverse any text
Text Repeater
Duplicate text N times
Text Cleaner
Strip tags, tidy whitespace
Word to Text
Extract plain text from .docx
Word to Markdown
Convert .docx to Markdown
Word Document Viewer
Preview .docx in your browser
Word Document Creator
Write and generate .docx online
CSV to Excel
Convert CSV files to .xlsx
Excel Viewer
Browse .xlsx sheets online
Excel to CSV
Convert .xlsx sheets to CSV
Excel to JSON
Convert .xlsx to JSON
Excel Merge
Combine workbooks into one
Excel to PDF
Convert spreadsheets to PDF
PowerPoint Creator
Build .pptx slides in the browser
Browse all tools by category
Every utility in each category is free, runs in your browser, and never uploads your files — you can start using any of these without an account.
Compress
3 toolsCompress PDFs, images and text in your browser. Size savings and quality trade-offs depend on the tool, settings and source file.
View all Compress toolsConvert
48 toolsTurn formats instantly: image to PDF, HTML to PDF, JSON to CSV, markdown to HTML and more.
View all Convert toolsEncode & Decode
11 toolsBase64, URL, JWT, hashes and encryption — encode and decode without uploading a single byte.
Developer
26 toolsFormat JSON and SQL, test regex, diff code, check HTTP statuses and calculate checksums.
View all Developer toolsMedia & Design
8 toolsEdit images, generate QR codes, gradients and box shadows right in your browser.
Generate
7 toolsUUIDs, passwords, random numbers, lorem ipsum and more, generated locally in a click.
Text Tools
9 toolsCount words, convert case, clean and sort lines, preview markdown — all without uploads.
View all Text Tools toolsOffice
11 toolsWork with CSV, SQLite, Word, Excel and PowerPoint files without ever sending them to a server.
View all Office tools