ONLINE TOOLS · 74 TOOLS
Online tools for text, SEO, images, PDF, and code
ExtraTools brings together browser-based tools for SEO text analysis, text editing, images, PDF documents, code, audio, video, and files. Browse a category or find a tool by name.
Each tool has its own page with clear controls and supported formats. Choose a task and use the available options to prepare your result.
74 tools · choose a card to open a tool
text-tools
Text tools
Count, clean, convert, compare, and edit text.
Text notepad
Edit text, undo changes, and save a UTF-8 document.
Undo and redoSave TXT
Document editor
Write and format text, create tables, and save DOCX or TXT files.
Text formattingDOCX and TXT
Text and code comparison
Compare two versions of text, code, or files. Find line and word changes, then export a patch.
Side-by-side and unified viewsWord and character highlights
Combination generator
Generate combinations from a list and control the result size.
Combinations from stringsOutput limit
Unicode and Unix timestamp
Convert Unicode characters and Unix timestamps in both directions.
Unicode and escape codesSeconds and milliseconds
Column extractor
Select columns from CSV and delimited text, then build the output.
CSV and tabulationSelect columns
Vowel remover
Remove vowels and punctuation with options for Cyrillic and Latin text.
Russian and EnglishAdjusting removal
Duplicate remover
Find duplicate lines or words and compare them with case and whitespace options.
Lines and wordsOrder and case
Find and replace
Find and replace text with case-sensitive, whole-word, and regular-expression options.
Regular searchRegular expressions
Number list generator
Generate number sequences from a start, end, and step.
Range and stepFormat options
List joiner
Join two lists line by line and choose a separator.
Line by lineJoin options
Diacritics and punctuation
Remove diacritics and punctuation while keeping selected characters.
Accents and punctuationCharacter options
Text case converter
Change the case of letters, words, and sentences in Russian or English text.
Uppercase and lowercaseTitle formats
Line break tools
Insert, remove, or replace line breaks and adjust wrapping.
Insert and removeWord wrap
Line combinations
Combine lines from multiple lists and control the number of variations.
List combinationsOutput limit
Text line filter
Keep or remove lines by one or more conditions.
Include or excludeCase and patterns
Blank lines and whitespace
Remove extra spaces, blank lines, and repeated indentation.
Whitespace cleanupBlank line options
List comparison
Compare lists to find matches, unique entries, and missing lines.
Difference and intersectionCompare without duplicates
Line numbering
Add numbers to lines and customize the numbering format.
Prefix and separatorBlank lines
Permutation generator
Generate permutations of list items and limit the output size.
All item ordersResult limit
Prefix and suffix
Add text to the start or end of each line while keeping indentation and blank lines.
Line numberingNo repeated labels
Random picker and shuffler
Pick random lines or shuffle the order of lines, words, or characters.
Line selectionText shuffling
Random numbers and strings
Generate random numbers, strings, and passwords from chosen character sets.
Numbers and textLength and character set
Text repeater
Repeat a line or text block a set number of times with a separator.
Repeat text and linesLine-by-line mode
Text reverser
Reverse characters, words, or lines without breaking Unicode graphemes.
Text and linesCyrillic and emoji
Word scrambler
Shuffle letters within words and find possible original forms.
Random orderPreserve punctuation
Line sorter
Sort lines alphabetically, numerically, or by length with case and duplicate options.
RU and ENNumeric sorting
Transliterator
Transliterate Russian and Ukrainian text between Cyrillic and Latin using selected rules.
Russian and UkrainianMultiple standards
UTF-8 converter
Convert text files to UTF-8 and save with or without a BOM.
Encoding detectionTXT, HTML, PHP, CSS, JS
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seo
SEO tools
Analyze SEO text, audit HTML pages, and group search queries for a content plan.
SEO text analyzer
Review text length, word frequency, and topic hints in Russian or English content.
Russian and English word frequencyTopics and text statistics
On-page SEO audit
Check page HTML for metadata, headings, canonical, links, images, and JSON-LD.
On-page SEO checksLocal HTML audit
Keyword clustering tool
Group similar queries, find duplicates, and label likely search intent.
Russian and English clustersCSV and TXT export
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graphic-tools
Image tools
Create and edit graphics, draw on layers, style images, and pick colors.
EXIF Cleaner
Remove image metadata and edit common fields in supported formats.
Metadata removalBasic editing
Design, HTML snapshot and watermark
Style screenshots, render HTML pages as images, and add text or image watermarks.
HTML → PNG / JPGStyling and watermark
Image Effects
Apply blur, pixelation, inversion, black and white, and dithering effects.
Multiple effectsBlur a selected area
Palette and image colors
Pick a color, sample shades from an image, and replace a selected color.
HEX, RGB, HSL, HSVEyedropper and color replacement
Icons, favicon, and tiles
Create favicons for sites, icon sets and cut the image into tiles.
ICO, PNG and HTML codeSets and tiles
Converter and image processing
Convert formats and compress images, merge photos to PDF, convert PDF and HTML to images, create SVG.
Images ↔ PDFFormats, SVG and HTML
Removing background
Remove the background from JPG, PNG, WebP and HEIC, refine the mask and process the photo in packages with ZIP download.
WebP and HEIC/HEIFBatch processing and ZIP
Size, cropping and Zoom
Set exact dimensions, crop square or circular images, rotate, and upscale by 2× or 4×.
Exact sizing and circle cropAI ×2 / ×4, HEIC
CSS Shadow Generator
Adjust box-shadow and text-shadow values and copy the CSS.
Box and text shadowsCSS preview
SVG background generator
Create SVG patterns and customize their background in a visual editor.
Multiple pattern typesSVG and CSS
ASCII art generator
Turn an image into ASCII art and adjust width, characters, and contrast.
In-browser previewCopy and TXT export
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pdf-tools
PDF tools
Convert documents, compress PDFs, recognize scanned pages, organize pages, add page numbers and watermarks, fill forms, add signatures, and protect files.
PDF and document converter
Convert Word, EPUB, PowerPoint, Excel, HTML, TXT, and CSV to PDF, or extract PDF content as Markdown.
DOCX · EPUB · PPTX · XLSXPDF → Markdown
Compress PDF
Reduce PDF file size while keeping text, or compress scans more by turning pages into images. Files stay on this device.
Keep textMaximum scan compression
PDF page operations
Split and merge PDFs, extract or delete pages, and reorder them. Local processing; files up to 100 MB.
5 PDF modesExtract · delete · reorder
PDF Editor
Rotate and crop pages, add text, images, annotations, page numbers, and text or logo watermarks.
Page numbers and watermarksCrop · text · annotations
PDF forms and protection
Fill out existing PDF forms, add a signature, set or remove a password, flatten pages, and permanently hide selected areas. Files are processed locally.
Forms and signaturePassword · flatten · redact
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programmer-tools
Developer tools
Format data and create code.
PHP-sandbox
Run short PHP snippets, inspect the output, and save the source code.
PHP 8.5Limits and .php file
Text and binary
Convert text to binary and decode it back.
Text ↔ binarySeparators and width
Complex of calculations for programmers
Work with number bases, bits, IP addresses, time, encodings, and data sizes.
Numbers and bitsNetworks, Unicode, and time
JSON Formatter
Validate, format, and minify JSON, then inspect its data structure.
Error highlightingFormatting and minification
JavaScript/CSS Optimizer
Adapt JavaScript and CSS syntax for browsers without minifying, or reduce file size with a separate compressor.
Code optimizationSeparate minifier
JS/CSS Obfuscator
Make JavaScript and CSS harder to read with several strength levels, local processing, and copy or download output.
JavaScript and CSSLight · balanced · strong
JavaScript DeobfuscatorBETA
Format JavaScript and try safe recovery of supported patterns. BETA: complete recovery is not guaranteed.
JavaScript deobfuscationBETA · No code execution
JSON in Zod and TypeScript
Generate Zod schemas and TypeScript types from a JSON sample.
Zod schemaTypeScript types
Text in JavaScript
Escape text and create JavaScript strings in different formats.
Literals and templatesUnicode and special characters
XML, JSON and SQL Converter
Convert data between XML, JSON, and SQL and validate the source format.
JSON ↔ XMLSQL and validation
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measurement-tools
Measurements and converters
Convert measurements and paper sizes, and calibrate an on-screen ruler.
Paper sizes in pixels
Convert A-series and other paper sizes to pixels at a selected DPI.
DPI and orientationCentimeters and inches
On-screen ruler
Open the ruler in a separate window and calibrate the inch or centimeter scale.
Centimeters and inchesScale up to 30 cm
Unit converter
Convert length, weight, volume, pressure, energy, and other units.
Metric and imperial unitsMore than 200 units
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crypto-tools
Encryption and encoding
Encrypt text, encode strings, create secure keys, and apply simple letter transformations.
AES-GCM text encryption
Encrypt and decrypt messages with a password.
AES-GCMCyrillic and UTF-8
Text encoder
Encode text as Base64, URL, HEX, or UUencode; convert text encodings, compress data, and calculate SHA hashes.
Base64 · URL · HEXEncodings and compression
Secure key generator
Generate random keys from cryptographically secure bytes in HEX, Base64, or Base64URL, with code examples.
32 random bytes and AES keysPHP, Node.js, Python, Go, and Ruby
ROT13 and cipher Caesar
Apply ROT13 or choose a custom shift for alphabetic text.
Encryption and decryptionCyrillic and Latin
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utility-tools
Utilities
Scan and create codes, recognize text, and archive files.
Table generator
Create and edit tables, inspect SQL, and save in different formats.
XLSX, DOCX, HTML, and SQLCSV, JSON, JPG, and more
Image text recognition
Extract text from photos, scans, and screenshots in Russian, English, Arabic, Turkish, and European languages.
35 language modelsBatch mode · TXT and DOCX
QR codes and barcodes
Scan QR codes and barcodes from images or a camera, or generate QR and common linear codes.
Offline scanningPNG and other formats
Click counter
Increase or decrease the count with buttons or the keyboard, set the step, and reset the counter.
Keyboard and buttonsCustom step
File archiver
Create ZIP, 7z, TAR, and GZ archives; open ZIP, 7z, TAR, GZ, and RAR files and download extracted files.
ZIP, 7z, TAR, GZOpen RAR archives
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audio-tools
Audio tools
Edit MP3 tags and trim audio clips directly in your browser.
MP3 tag editor
Edit seven ID3 fields in one MP3 or batch-process up to five files in your browser.
Audio is not uploaded to a serverOne file or a batch of up to 5
MP3 trimmer
Trim an audio clip by start and end times or remove unwanted sections from its edges.
Precise time trimmingNo quality loss
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video-tools
Video tools
Trim clips by their start and end or choose an exact time range.
No tools in this category match your search.
entertainment
Games and entertainment
Play NES / Famicom games, connect a gamepad, and save game states.
No tools in this category match your search.
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Browse tools for SEO text analysis, text and image editing, audio, data conversion, programming, measurements, video, and files. Use search or the category menu to find a tool.