Your daily toolkit for PDF, image & JSON files
Free, fast and private online tools for PDFs, images, JSON, text and everyday calculations. Everything runs right in your browser.
Built for speed, privacy and zero friction
Private by design
Most tools run entirely in your browser, your files never leave your device.
No sign-up needed
Open any tool and use it instantly. An account only raises upload limits.
Lightning fast
No queues, no waiting, processing happens locally in milliseconds.
145+ tools, always free
PDF, image, JSON, dev and everyday tools, no watermarks, ever.
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PDF Tools 30 tools
Merge PDF
Combine multiple PDF files into one document online, free. Reorder with up and down arrows before merging.
Split PDF
Split a PDF by page range, extract specific pages, or divide into equal parts, free online.
Organize Pages
Reorder PDF pages with left and right arrows, delete any page with one click, and download the rearranged file.
Rotate PDF
Rotate every page of a PDF by 90, 180 or 270 degrees in one click, free and online.
Delete Pages
Remove one or more pages from a PDF by typing a page range, free and online.
N-Up PDF (Pages Per Sheet)
Fit 2, 4, 6 or 9 PDF pages onto each sheet, free. Great for handouts and saving paper. Everything runs in your browser.
Reverse PDF Pages
Reverse the page order of a PDF online, free. Runs entirely in your browser.
Compare PDF
Compare the text of two PDFs and see what changed online, free. Runs in your browser.
Edit PDF
Add new text boxes anywhere on a PDF page, drag them into place, and download the result.
Sign PDF
Draw your signature and place it anywhere on a PDF page, drag to reposition, and download the signed file.
Add Watermark to PDF
Stamp a text watermark across every page of a PDF with adjustable opacity, free and online.
Add Page Numbers to PDF
Add page numbers to the header or footer of your PDF with full style control, free online.
Crop PDF
Crop PDF pages online. Draw a rectangle to trim margins, or drag four corners independently to straighten a tilted scan.
OCR PDF (Searchable)
Turn a scanned PDF into a searchable, selectable PDF, free. Reads each page on your device and adds an invisible text layer behind the original page image, so nothing is uploaded.
PDF Metadata Editor
View and edit a PDF's title, author, subject, keywords, creator and producer, free. Runs entirely in your browser, your file is never uploaded.
Add Header & Footer to PDF
Add a header, footer and page numbers to every page of a PDF, free. Runs in your browser, your file is never uploaded.
Flatten PDF
Flatten form fields and annotations into an uneditable PDF online, free. Works in your browser.
Image to PDF
Convert JPG, PNG and WebP images into one PDF. Reorder pages and apply scanner modes: Original, Color, Grayscale or Black and White.
PDF to Word
Convert PDF to an editable Microsoft Word .docx document online, free, no sign-up needed.
Word to PDF
Convert .docx or .doc Word files to PDF format online, free, no sign-up needed.
PDF to Images
Export every page of a PDF as a PNG image, bundled in a downloadable ZIP file, free online.
Extract Images from PDF
Extract all embedded images from a PDF and download them as a ZIP archive, free online.
Scan to PDF
Scan documents with your camera or photos and combine them into a PDF, free. Runs on your device, nothing is uploaded.
PDF to Text
Extract selectable text from a PDF online, free. Copy the extracted text, all in your browser.
Protect PDF
Add AES-256 password protection to your PDF to prevent unauthorized access, free online.
Unlock PDF
Remove password protection from an encrypted PDF file quickly and free online.
Redact PDF
Black out sensitive text or images in a PDF and truly remove them, free. Draw redaction boxes in your browser, nothing is uploaded.
Edit PDF Text
Find and replace text throughout your entire PDF document online, free.
Image Tools 22 tools
Resize Image
Resize images to exact pixel dimensions online, free. Lock aspect ratio or set custom width and height.
Crop Image
Crop images online for free. Draw a selection rectangle to crop to any size instantly.
Rotate & Flip Image
Rotate images 90, 180, 270 degrees or flip horizontally and vertically online, free.
Watermark Image
Add a custom text watermark to your image online, free. Control position, opacity, size and color.
Image Filters
Apply grayscale, sepia and blur filters, and adjust brightness, contrast and saturation, free online.
Photo Editor
Free online photo editor. Add draggable text, adjust color filters, and rotate or flip your photo before downloading.
Compress Image
Compress and reduce image file size online, free. Adjust JPEG quality with a live size preview.
Advanced Image Encoder
Encode images as AVIF or WebP with a quality slider and live size comparison, free, right in your browser. JPEG XL is offered too, for when browsers add support.
Convert Image
Convert images between JPG, PNG and WebP formats online, free. No upload needed, runs in your browser.
Image to Base64
Convert any image to a Base64 Data URI online, free. Copy the full data:image/...;base64,... string, ready to paste into HTML or CSS.
Base64 to Image
Convert a Base64 string or Data URI back into an image online, free. Preview it instantly and download the file, all in your browser.
Background Remover
Remove the background from any image in your browser, free. AI-powered, private, no upload, download as a transparent PNG.
Screenshot Beautifier
Turn plain screenshots into polished images with a gradient background, padding, rounded corners and shadow, free and private.
Thumbnail Maker
Make a YouTube-size thumbnail with bold text over a gradient or your own image, free. Renders on your device, no upload.
Sprite Sheet Generator
Combine icons or frames into a single sprite sheet PNG for games and CSS sprites, free. Runs entirely in your browser.
Video Thumbnail Grabber
Grab any frame from a video and save it as an image, free. Scrub to the exact moment for a thumbnail or cover. Nothing is uploaded.
Meme Generator
Add top and bottom text to an image and download the meme.
Social Media Image Resizer
Resize images to exact sizes for Instagram, YouTube, Twitter and more.
Image to Text (OCR)
Extract text from images and screenshots in your browser, free. OCR runs locally in 12+ languages, no upload, copy or download the text.
Color Palette Extractor
Extract the dominant colors from any image to build a palette.
EXIF Metadata Viewer
View the camera, date and GPS metadata inside your JPEG photos.
Remove Image Metadata
Remove EXIF, GPS location and all hidden metadata from your photos, free. Re-encodes each image in your browser so nothing is uploaded.
JSON Tools 6 tools
Text 10 tools
Word Counter
Count words, characters, sentences, paragraphs and reading time online, free. Live results as you type, 100% in your browser.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case or kebab-case online, free and instant.
Number to Words
Convert numbers into written-out English words online, free. Supports negative numbers and values up to the trillions.
Text Summarizer
Summarize long text into a short summary with AI, free. The model runs entirely in your browser, so your text is never uploaded.
Speech to Text
Convert speech to editable text live in your browser, free. Dictate notes in 13 languages, then copy or download. Uses your browser's built-in speech recognition.
Subtitle Editor
Create, edit and fix subtitles, then export SRT or WebVTT, free. All in your browser, nothing uploaded.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text online, free. Choose how many paragraphs, sentences or words you need, then copy.
Text Cleaner
Clean up text online, free: remove extra spaces, trim lines and strip blank lines instantly in your browser.
Slug Generator
Convert any text or title into a clean URL slug online, free, lowercase, hyphenated, accent-safe.
Text to Speech
Convert text to spoken audio in your browser, free. Choose a voice, rate and pitch.
Developer 39 tools
UUID Generator
Generate random RFC-4122 version 4 UUIDs online, free. Create one or many unique IDs instantly, entirely in your browser.
Password Generator
Generate strong, random, secure passwords online, free. Choose length and character types. Cryptographically random, fully in your browser.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text online, free. All four update instantly as you type, computed with Web Crypto in your browser, nothing is uploaded.
Fake Data Generator
Generate fake names, emails, phone numbers and more for testing.
File Hash
Get the SHA-256, SHA-1, SHA-384 and SHA-512 checksum of any file, free. Verify downloads and detect changes, computed in your browser.
Favicon Generator
Create a favicon from a letter or emoji and download PNGs in every size.
QR Code Generator
Generate a QR code from any text or URL online, free. Download as PNG, created entirely in your browser.
Meta Tag Generator
Generate SEO, OpenGraph and Twitter meta tags for your web page online, free. Copy-paste ready HTML.
CSS Gradient Generator
Create CSS linear and radial gradients visually online, free. Add color stops, set the angle, then copy the CSS.
Color Picker
Pick a color and get HEX, RGB and HSL values plus a shade scale.
Git Command Generator
Generate the exact git commands for common tasks.
Base64 Encode / Decode
Encode text to Base64 or decode Base64 to text online, free. Unicode-safe and 100% client-side, your data never leaves your browser.
URL Encode / Decode
Encode or decode URL components online, free. Percent-encode special characters or decode them back, 100% in your browser.
YAML to JSON Converter
Convert YAML to JSON and back.
Timestamp Converter
Convert Unix timestamps (epoch) to human dates and back online, free. Supports seconds and milliseconds.
Color Converter
Convert HEX and RGB color values to HSL online, free, with a live preview. 100% in your browser.
JSON to Schema
Convert JSON into TypeScript types, JSON Schema or Python classes.
SVG to Code
Convert SVG to React JSX, a data URI, CSS background or an img tag online, free. Works in your browser.
Text Encrypt / Decrypt
Password-protect text with AES-256 encryption in your browser.
UTM Link Cleaner
Strip UTM tags and tracking parameters from URLs for clean, private links.
JWT Decoder
Decode a JSON Web Token (JWT) online, free. View the header, payload and expiration status instantly. Client-side only, your token never leaves your browser.
Regex Tester
Test and debug regular expressions online, free. See live matches and capture groups against your text, entirely in your browser.
Diff Checker
Compare two texts and see the differences online, free. Line-by-line added, removed and unchanged highlighting, 100% client-side.
Cron Expression Generator
Build cron expressions with plain-English preview.
HTTP Status Codes
Searchable reference of common HTTP status codes.
Password Strength Meter
Check password strength and crack time live.
API Tester
Test any REST API in your browser, free. Send GET, POST, PUT and DELETE requests with custom headers and body, and view status, time and response.
JavaScript Playground
Write and run JavaScript in your browser, free. Live console output, async support, no setup. Everything runs sandboxed on your device.
Timezone Converter
Convert times across cities and time zones instantly.
Contrast Checker
Check color contrast ratio for WCAG AA and AAA accessibility online, free, with a live text preview.
QR Code Scanner
Scan a QR code from your camera or an image, free. Decoded entirely in your browser.
SQL Formatter
Format and beautify SQL queries online, free. Breaks lines at SELECT, FROM, WHERE, JOIN and other clauses for readability, works entirely in your browser.
HTML Minifier & Beautifier
Minify or beautify HTML code.
CSS Minifier & Beautifier
Minify or beautify CSS code.
JavaScript Minifier & Beautifier
Minify or beautify JavaScript safely.
Markdown Preview
Write Markdown and see the live HTML preview online, free. Great for READMEs and docs, 100% in your browser.
HTML Live Preview
Write HTML, CSS and JavaScript and see it render live.
XML Formatter
Beautify, indent, minify and validate XML online, free. 100% in your browser.
SVG Optimizer
Optimize and shrink SVG files online, free. Strip metadata and whitespace in your browser.
Productivity 15 tools
Hashtag Generator
Generate relevant hashtags from your topic or caption, free. Copy a ready-to-paste block for Instagram, TikTok and more.
LinkedIn Post Formatter
Add bold, italic, bullet points and numbered lists to LinkedIn posts, free. Format text and copy it ready to paste, right in your browser.
Twitter Thread Formatter
Split long text into a numbered Twitter/X thread that fits the limit.
Online Notepad
A distraction-free notepad that autosaves in your browser. Private.
Habit Tracker
Track daily habits and build streaks, free. A simple private tracker saved in your browser, no account needed.
Pomodoro Timer
Focus timer with work and break sessions.
To-Do List
A simple private to-do list saved in your browser. No account needed.
Stopwatch & Countdown
Online stopwatch with laps and a countdown timer with alarm.
Calendar Generator
Generate a clean printable monthly calendar for any month and year online, free.
Screen Recorder
Record your screen and optional microphone in your browser, free. No install, no upload, download the video as a WebM file.
Bulk File Renamer
Rename many files at once by number sequence or find-and-replace, free. Download them as a ZIP, all in your browser.
Online Ruler
A free online ruler in centimeters and inches. Calibrate it to your screen with a bank card for real-world accurate measurements.
Invoice Generator
Create professional invoices and save as PDF.
Email Signature Generator
Build a clean HTML email signature for Gmail, Outlook and Apple Mail.
Resume Builder
Build a clean resume and save it as PDF.
Calculators 9 tools
Percentage Calculator
Calculate percentages online, free: what is X% of Y, X is what percent of Y, and percentage increase or decrease.
Age Calculator
Calculate your exact age in years, months and days from your date of birth, free and instant.
BMI Calculator
Calculate your Body Mass Index (BMI) from height and weight online, free, in metric or imperial units, with the healthy-range category.
Tip Calculator
Calculate tip amount and split the bill between people online, free and instant.
Loan / EMI Calculator
Calculate monthly loan EMI, total interest and total payment online, free. For home, car and personal loans.
Date Difference
Calculate the difference between two dates in days, weeks, months and years online, free.
Unit Converter
Convert length, weight and temperature units online, free, metres, feet, kg, pounds, Celsius, Fahrenheit and more.
Area Converter
Convert area units online, free: square meter, square feet, square yard (gaj), acre, hectare, bigha, kanal, marla, cent and more.
Currency Converter
Convert between 150+ world currencies with daily exchange rates.
Fun & Games 15 tools
2048 Game
Slide tiles to reach 2048.
Snake Game
Classic snake, arrow keys or swipe, or play a friend online with a room code.
Flappy Bird
Flappy Bird online. Tap to flap through the pipes.
Tetris
Classic Tetris online. Clear lines and rack up points.
Dino Run
The Chrome offline dinosaur game. Jump the cacti and time your jumps to dodge birds.
Draw & Guess
Play a free online draw-and-guess party game with friends. Create a private room, share the code, and take turns drawing a secret word while everyone else guesses in the chat. For 2-8 players.
Ludo
Play Ludo online free: vs computer, pass and play 2-4 players, or invite a friend with a room code. Works on PC and mobile.
Breakout
Breakout brick-breaker online. Bounce the ball and smash every brick.
Memory Match
Flip and match all the pairs.
Typing Speed Test
Test your typing speed with a passage test (WPM and accuracy) or a falling-words arcade mode.
Minesweeper
Classic Minesweeper online. Clear the board without hitting a mine.
Word Guess
Wordle-style word game. Guess the hidden five-letter word in six tries.
Tic-Tac-Toe
Play Tic-Tac-Toe online: vs an unbeatable computer, 2 players on one device, or invite a friend to a private room with a code.
Simon Says
Simon Says memory game online. Repeat the growing color pattern.
Reaction Time Test
Test your reaction time online. Click when the screen turns green.
Frequently asked questions
What is Becoderr?
Becoderr is a collection of over 145 free online tools for PDFs, images, JSON, text, developer utilities and everyday tasks. Most tools run entirely in your browser, so files never leave your device.
How many tools does Becoderr have, and are they all free?
Over 145 tools across PDF, image, JSON, text, developer, productivity and calculator categories. Every tool is completely free, with no sign-up required to use any of them.
Do I need to create an account?
No. You can use every tool without an account. Signing in is optional and only raises the upload limit on the few server-based tools, from 5 MB to 50 MB.
Are my files uploaded to a server?
Most tools process your files entirely in your browser and never upload anything. A small number of tools that need heavier processing run on a server, but those files are processed in memory and discarded immediately afterward, never stored.
Is Becoderr available in languages other than English?
Yes. Becoderr is fully translated into Spanish, Japanese, French, German, Portuguese, Korean and Italian, alongside English.
Is there a limit on how many times I can use a tool?
No. There's no daily limit or usage cap on any tool, unlike many other free online tool sites.