All Tools

Format, pretty-print, and minify JSON online for free. Beautify API responses and config files in your browser - nothing is sent to a server.

Check and validate JSON syntax online. Free browser tool to find missing commas, quotes, and brackets with clear error messages.

Free JSON minifier to compress API payloads and request bodies by removing whitespace. Smaller JSON for smaller payloads.

Free JSON diff tool to compare API responses, request/response pairs, and configuration files side by side.

Free tool to sort JSON object keys alphabetically for cleaner comparisons and consistent configuration files.

Convert JSON to YAML online for free. Turn API responses and configuration objects into readable YAML instantly.

Free TOML formatter to beautify Cargo, pyproject, and config files with consistent spacing. Browser-based.

Free TOML validator for TOML 1.0 syntax with clear error messages. Live checks as you paste in your browser.

Free TOML ↔ JSON converter hub. Convert TOML to JSON on this page, or open the JSON to TOML long-tail page for the reverse direction.

Free TOML diff tool to compare two config files and highlight changes. Ignores formatting-only edits.

Free TOML sort keys tool to alphabetize keys and tables for cleaner git diffs. Browser-based.

Free YAML formatter to pretty-print configuration and config files with consistent indentation. Browser-based.

Validate YAML syntax and identify parsing errors online. Free browser checker for configs and config files.

Convert YAML to JSON online for free. Turn configuration and Kubernetes-style YAML into JSON instantly.

Free XML formatter to pretty-print API responses and documents. Beautify minified XML in your browser.

Free SQL formatter to pretty-print and beautify database queries for debugging and code review. Browser-based.

Free Base64 encoder online. Turn text into Base64 strings instantly in your browser. No upload required.

Free Base64 decoder online. Turn Base64 strings back into readable text instantly in your browser.

Free URL encoder online. Percent-encode query strings and special characters for links and APIs.

Free URL decoder online. Decode percent-encoded strings from links and query parameters instantly.

Free HTML entity converter online. Escape special characters to entities or decode entities back to plain text in your browser.

Free hex encoder and decoder online. Convert UTF-8 text to hex bytes and decode hex strings back to text in your browser.

Free binary text converter online. Encode UTF-8 text to spaced 8-bit binary groups and decode binary back to text.

Free ASCII to hex converter online. Map characters to spaced hex code points and decode hex back to text.

Free ASCII to binary converter online. Map characters to 8-bit binary codes and decode binary back to text.

Free ASCII table online. Look up decimal, hex, binary, and character values for standard ASCII codes 0 through 127.

Free HEX RGB HSL CMYK color converter online. Convert between color spaces instantly in your browser for CSS and print.

Free number base converter for binary, octal, decimal, and hex. Convert integers in your browser with optional 0b, 0o, and 0x prefixes.

Free ROT13 converter online. Rotate letters A-Z by 13 places for puzzles and spoilers in your browser. Not encryption.

Free regex tester to match patterns against sample text. Debug email, URL, and custom regular expressions online.

Free Markdown preview to render README files and documentation before publishing. Check GitHub-style Markdown instantly.

Free Markdown table generator. Paste CSV or TSV rows and get a pipe table for README files, free in your browser.

Free QR code generator for URLs, website links, and text. Create downloadable QR codes instantly in your browser.

Free UUID v4 generator online. Create random RFC 4122 identifiers instantly in your browser.

Free ULID generator online. Create sample sortable identifiers in your browser for logs, tests, and prototypes. No signup.

Free random color generator online. Get random HEX, RGB, and HSL values with a live swatch preview in your browser.

Free random emoji picker online. Get a surprise emoji for chat, games, and prompts. Copy in one click, runs in your browser.

Free case converter for camelCase, snake_case, kebab-case, PascalCase, and uppercase. Rename identifiers instantly.

Free word counter for essays, blog posts, and Markdown. See word and character counts instantly in your browser.

Free character counter online, count characters, words, and lines for social limits and forms.

Free duplicate line remover. Paste text and delete repeated lines instantly in your browser, no signup.

Free remove empty lines tool. Delete blank lines from pasted text instantly in your browser.

Free text reverser online. Flip character order instantly for puzzles, palindrome checks, and quick string experiments in your browser.

Free slug generator online. Turn titles into lowercase hyphenated path segments for blog posts, docs, and filenames in your browser.

Free line number formatter online. Add line numbers to text or strip numbering prefixes for code snippets and notes in your browser.

Free tab to spaces converter online. Expand tabs to spaces or compress leading spaces to tabs with a 2, 4, or 8 space tab width in your browser.

Free Levenshtein distance calculator online. Count minimum single-character edits between two strings for coursework and demos in your browser.

Free character frequency analyzer. Count how often each character appears in text with percentages, in your browser.

Free reading time calculator for articles and blog posts. Estimate minutes to read from word count at your WPM speed.

Free prompt word and character counter. Paste a system or user prompt and see text stats instantly in your browser, informational counts only.

Free text chunking calculator. Split long text by characters, words, or paragraphs into numbered draft chunks in your browser.

Free HTML formatter to pretty-print and beautify minified HTML documents for debugging. Browser-based.

Free CSS formatter to beautify minified stylesheets and pretty-print CSS for debugging. Instant browser results.

Free JavaScript formatter to pretty-print and beautify minified JS for debugging. Runs in your browser.

Free HTTP status code reference for 404, 500, 401 unauthorized, 429 rate limit, and other 1xx–5xx responses. Search by number or keyword.

Free Unix timestamp converter for epoch ↔ date. Convert timestamps to UTC/readable time or dates back to Unix time.

Free cron expression parser that explains schedules in plain English. Explains cron schedules in plain language.

Free cron expression builder for daily jobs, weekday schedules, every-minute runs, and monthly tasks. Generate cron online.

Free invisible character detector online. Find zero-width spaces and bidi controls in pasted text and copy a cleaned version in your browser.

Free JWT inspector online. Paste a token to view header, payload, and exp timing in your browser. Signatures are not verified.

Free HTTP header inspector. Paste raw response or request headers to list fields in your browser. Does not fetch URLs.

Free cookie inspector online. Paste Cookie or Set-Cookie header text to read names, values, and attributes in your browser.

Free Unicode inspector online. See code points for pasted text and common invisible characters in your browser.

Free XML validator online. Paste XML to check well-formed syntax in your browser. No signup.

Free JSON Schema validator online. Paste a schema and JSON instance separated by --- to see match results in your browser.

Free User-Agent parser online. Paste a UA string for length and heuristic token notes in your browser.

Free robots.txt tester online. Paste robots.txt content to read groups and sitemap lines in your browser. Does not fetch URLs.

Free MD5 hash generator online. Paste text to get an MD5 hex digest in your browser.

Free SHA-1 hash generator online. Paste text for a SHA-1 hex digest in your browser.

Free SHA-256 hash generator online. Paste text for a SHA-256 hex digest in your browser.

Free SHA-512 hash generator online. Paste text for a SHA-512 hex digest in your browser.

Free Cloud Server Sizing Calculator online, cloud server sizing calculator in your browser with instant results. Private, no signup, no upload. Part of our Developer tool collection.

Free GPU VRAM calculator for LLM inference, training, video transcode, and CUDA jobs. Estimate GPU and host RAM needs. No pricing.

Free Kubernetes cluster calculator. Learn what Kubernetes is at a high level, size CPU and memory requests, and estimate worker nodes for any Kubernetes cluster.

Free CDN Bandwidth Calculator online, cdn bandwidth calculator in your browser with instant results. Private, no signup, no upload. Part of our Developer tool collection.

Free Docker host resource calculator. Sum container CPU and memory limits, compare to host capacity, and see overcommit warnings.

Free CSV toolkit with a dropdown for format, convert, column, and row tools. One paste area, every CSV utility on FindMeTool.

Free CSV formatter to clean rows, columns, and quoting on pasted exports. Fix messy CSV online in your browser.

Free CSV validator for delimiter detection, row counts, and column consistency. Browser-based.

Convert CSV to JSON online for free. Turn spreadsheet rows and API CSV exports into JSON arrays instantly.

Free JSON to CSV converter for arrays of objects. Copy CSV for spreadsheets and imports in your browser.

Free CSV delimiter converter for comma, tab, semicolon, and pipe files. Browser-based.

Free CSV column splitter to break one field into multiple columns by delimiter. Runs in your browser.

Free CSV column merger to combine fields with a custom separator. Browser-based CSV toolkit.

Free CSV column extractor by header name. Copy one column from a larger export in your browser.

Free CSV header renamer with one mapping per line. Browser-based CSV toolkit.

Free CSV row filter to keep rows matching text in any cell. Browser-based.

Free CSV sorter to order rows by any column. Ascending or descending, in your browser.

Free CSV deduplicator to drop duplicate rows or dedupe by a column. Browser-based, no upload.

Compress JPG, PNG, and WebP images online for free. Reduce file size in your browser, nothing is uploaded to a server. Adjust quality, preview savings, and download instantly.

Free AI background remover for any image size, including large files up to 200 MB. Runs in your browser on your device. Download a transparent PNG. No upload to our servers.

Apply free photo filters in your browser, including Old Money, film, vintage, and sketch color recipes. Private processing, no upload, not cloud AI.

Resize images online to exact pixel dimensions. Scale JPG, PNG, or WebP for social posts, thumbnails, banners, and websites, free, private, runs in your browser.

Crop images online free in your browser. Cut photos to size, use aspect ratio presets, rotate and flip, private processing with instant download.

Extract text from images online free (OCR). Turn photos, screenshots, and scans into editable text in your browser, nothing uploaded to a server.

Convert images online free. Upload PNG, JPEG, WebP, GIF, BMP, AVIF, HEIC, SVG, TIFF, and ICO. Private browser-based conversion with instant download.

Extract colors from any image online. Click anywhere to copy HEX, RGB, or HSL values, build palettes, and inspect colors instantly with private browser processing.

Convert images to Base64 online free. Encode PNG, JPEG, WebP, or GIF to Base64 strings and decode Base64 back to previewable images in your browser.

Free EXIF metadata viewer online. Paste or load a JPEG or PNG data URL to read camera and GPS tags in your browser.

Free PDF compressor online. Shrink PDF file size in your browser with light, balanced, or max presets. Private, no upload.

Free age calculator, age in years, months, days, and hours. Age on any date, next birthday countdown, days lived, and age difference between two people.

Free days between dates calculator, count how many calendar days separate two dates. Simple day counter for deadlines, trips, and countdowns.

Free online timer and stopwatch, 1 minute, 5 minute, 10 minute, 15 minute, 30 minute, and 1 hour countdowns plus a browser stopwatch. Start, pause, reset.

World clock for 250 major cities plus common zones like EST, IST, and UTC. Copy IANA, offset, ISO, and Unix from this browser, and compare your local clock to another place.

Free random number generator, pick numbers between any min and max, including 1–10, 1–100, and 1–1000. Generate multiple values with or without duplicates.

Free time duration calculator, find days, hours, and minutes between two dates or times. Hours between dates, date difference, and time-between-times in one tool.

Free percentage calculator online, find X% of Y, percent change, and what percent one number is of another. Fast results for school, work, and everyday math.

Free Roman numeral converter online, turn Arabic numbers into Roman numerals and decode Roman numerals back to numbers. Supports 1 through 3999 with standard subtractive forms.

Free Morse code converter online, turn text into dots and dashes or decode Morse code back to letters and numbers. International Morse with spaces between letters and / between words.

Free User-Agent viewer online. See the browser-provided navigator.userAgent string from this page, then copy it for support tickets or debugging.

Free browser checker online. Infer Chrome, Firefox, Safari, Edge, or Opera from User-Agent tokens. Detection can be imperfect.

Free screen resolution viewer online. Read basic browser display properties: CSS pixels, available area, and device pixel ratio.

Free time zone viewer online. Show your browser IANA time-zone setting without GPS or account signup.

Free OS checker online. Infer Windows, macOS, iOS, Android, Linux, or Chrome OS from User-Agent tokens. Do not treat the label as certain.

Free device class checker online. Approximate phone, tablet, or desktop from User-Agent tokens and touch points. Detection is imperfect.

Show your browser language and locale preference list (navigator.language). Preference only, not location.

Free photon energy calculator. Convert frequency, wavelength, or energy using h and c in your browser.

Free De Broglie wavelength calculator from momentum or mass and velocity. Browser-based physics tool.

Check n, l, and m quantum numbers, subshell labels, and hydrogen energy level hints in your browser.

Compute Planck spectral radiance for a wavelength and temperature. Free browser calculator for thermal radiation.

Free scientific calculator for expressions with trig, logs, powers, and constants. Runs in your browser.

Count significant figures or round to a chosen number of sig figs. Free browser tool for lab reports.

Convert between decimal form and scientific notation instantly in your browser.

Convert energy between joules and electronvolts using the exact 2019 eV definition. Free online tool.

Convert frequency and wavelength using c = 299792458 m/s in vacuum. Free browser physics converter.

Compute logarithms base 10, e, 2, or any custom base for positive values in your browser.

Convert length, weight, temperature, and volume units free online. Kilometers to miles, kg to lbs, Celsius to Fahrenheit, liters to gallons, instant results.

Free fuel cost calculator. Estimate spend from liters or gallons, or from trip distance and economy. You enter the pump price.

Free trip cost calculator. Combine fuel, tolls, and optional per-person split for a road trip budget with your own prices.

Free fuel economy calculator. Compute US MPG, L/100 km, and km/L from distance and fuel used on one tank.

Free MPG to L/100 km converter. Switch between US miles per gallon and liters per 100 kilometers instantly.

Free miles to kilometers converter. Convert statute miles and km with the standard 1.609344 factor.

Free parking cost calculator. Estimate fees from hourly rates, visit length, and optional daily maximums.

Free fuel consumption log calculator. Average L/100 km from odometer and fill-up entries you enter.

Free cost per mile calculator. Spread fuel, maintenance, and other costs over total miles driven.

Free cost per km calculator. Spread fuel, maintenance, and other costs over total kilometers driven.

Free resume word counter. Paste or upload a CV and count words in your browser.

Free Resume Keyword Counter. Paste text or upload a supported file and run the utility in your browser.

Free Resume Word Frequency Analyzer. Paste text or upload a supported file and run the utility in your browser.

Free Resume Text Extractor. Paste text or upload a supported file and run the utility in your browser.

Compare two resume versions side by side with a line diff in your browser.

Rank frequent words in a resume after a simple stop-word filter. Browser-based.

Free Job Description Word Counter. Paste text or upload a supported file and run the utility in your browser.

Free Job Description Reading-Time Calculator. Paste text or upload a supported file and run the utility in your browser.

Free Job Description Keyword Counter. Paste text or upload a supported file and run the utility in your browser.

Free Job Description Word Frequency Analyzer. Paste text or upload a supported file and run the utility in your browser.

Match skill-like terms from a job description against a large fixed lexicon in your browser.

Compare two job description versions with a line diff in your browser.

Rank frequent words in a job description after a simple stop-word filter.

Upload a resume or enter start and end dates to measure employment duration in your browser.

Free Total Work Experience Calculator. Paste text or upload a supported file and run the utility in your browser.

Upload a resume or paste job history with normal dates to list open time between roles in your browser.

Free Employment Overlap Calculator. Paste text or upload a supported file and run the utility in your browser.

Free Workday Counter. Paste text or upload a supported file and run the utility in your browser.

Free Weekend Counter. Paste text or upload a supported file and run the utility in your browser.

Free Job Posting Age Calculator. Paste text or upload a supported file and run the utility in your browser.

Upload a resume or paste job history to build a simple text career timeline in your browser.

Free Date Difference Calculator. Paste text or upload a supported file and run the utility in your browser.

Free Calendar Date Calculator. Paste text or upload a supported file and run the utility in your browser.

Compare filtered keywords between a resume and a job description in your browser.

Build a boolean job search string from titles and keywords you enter. Free browser tool.