Online Tools

Runs fully in your browser. Supports multi-document files, indentation, key order and strict parsing.

Runs fully in your browser. Beautify, minify, and inspect XML in a collapsible tree.

Runs in your browser. Supports subprotocols, auto-reconnect, heartbeat, and log export.

User Agent Inspector, runs in your browser.

Unit Converter, runs in your browser.

Everything runs locally in your browser. No upload.

Runs fully in your browser. Supports parentheses, trig, logs, powers, constants (π, e) and history.

Online Regex Tester, runs in your browser.

Paste a page snippet (no need for full page). Provide the concrete values of fields you want to capture, then generate reusable regex. Runs entirely in your browser.

Same-origin proxy to bypass CORS. Supports Bearer auth, JSON/Form/Text bodies, and custom headers.

Connect to MySQL, run SQL, browse schemas/tables, paginate and do CRUD via your backend API.

Convert Markdown to a .docx file fully in your browser. Supports .md upload, live preview and basic styles.

Convert Markdown to safe HTML with GFM and live preview.

Import Markdown or HTML. Preview appears below.

Paste logs, choose a format (or auto-detect), parse into structured rows. Named groups auto-degrade on legacy browsers.

Runs entirely in your browser. Supports indent, line width, key sorting and error messages.

Runs locally in your browser with delimiter/header/newline/BOM/quote options.

IP Locator, runs in your browser.

Fetch the URL in your browser and display status code and response headers. Note: without CORS, browsers cannot expose status/headers.

Convert HTML to Markdown in the browser with custom styles and live preview.

Convert HTML snippets to JavaScript in your browser. Supports template literal, quoted string, ESM export, or document.createElement builder.

Runs entirely in your browser. Supports auto delimiter detection, header row, empty-line skipping and basic type inference.

Runs locally in your browser: scans container/encoder hints and samples frames to compute pixel stats + simple temporal differences. Produces a heuristic AI-likeness report (not guaranteed).

Runs locally in your browser: checks metadata hints + pixel statistics and produces a heuristic AI-likeness report. Not guaranteed to be accurate.

Base64 encode and decode

JSON Formatter & Validator, runs in your browser.

Everything runs locally in your browser. Scrolling & recording are not uploaded.

Pick a sticker sheet image, auto-detect each cell and export as PNGs bundled into a ZIP — all in your browser.

For more reliable results, use fullscreen mode.

Everything runs locally in your browser. Record screen + optional system audio + microphone.

Runs fully in your browser (RGB PSD only). Batch rename/toggle visibility and export layers to PNG/WebP.

Extract all text from PPTX to TXT or Markdown.

Enhanced: parse shape coords and preserve layout as much as possible; images supported. One PDF page per slide. 100% in-browser.

Export structured JSON of PPTX (text boxes & images with coordinates).

Sharper export: auto PPT size, DPI scale, font size/line height, JPEG quality. 100% in-browser.

Convert each slide to absolutely-positioned HTML; images go to /assets/ folder.

Upload images (JPG/PNG/WebP) or image-only PPTX files, then play fullscreen. Supports auto-play and keyboard controls.

Pomodoro, runs in your browser.

Generate PNG placeholders locally. Customize size/label/font/background.

Drop/select a photo (JPG/HEIC/PNG*). Read EXIF and get per-parameter checks with suggested ranges.

Runs fully in your browser. Default export is PPTX; DOCX and XLSX are also available.

Runs fully in your browser. Default export is DOCX; XLSX and PPTX are also available.

Runs fully in your browser. Default export is XLSX; DOCX and PPTX are also available.

Processing happens locally in your browser.

Processing happens entirely in your browser.

Processing happens locally in your browser. Multiple files supported.

Adjust a single PDF entirely in your browser. Nothing is uploaded.

Metronome, runs in your browser.

Runs fully in your browser. Supports text/image watermarks, opacity, placement, click-to-position, tiling, scale, rotation, blend modes and export.

Supports JPG, WebP, GIF, BMP and more. Conversion happens locally in your browser.

Supports PNG, JPG, WebP, and more. Everything runs locally in your browser.

Supports PNG, JPG, WebP, and more. Conversion happens entirely in your browser.

Runs fully in your browser. Batch, presets, custom rows/cols, zoom preview, ZIP export.

Supports PNG, JPG, GIF, WebP, etc.

Batch processing supported. Exports PNG/WebP with transparent corners. All done locally.

Supports PNG, JPG, WebP and more. Everything runs locally in your browser.

Runs fully in your browser. Merge images horizontally or vertically, set spacing, then download.

Runs entirely in your browser. Click or drag an image to the left area.

Runs fully in your browser. Obfuscates pixels using a password-derived deterministic PRNG (xorshift128+). Re-applying restores the image.

Runs fully in-browser: extract dominant color & palette with contrast and previews.

Supports PNG, JPG, GIF, WebP, etc.

Supports PNG, JPG, WebP, and more. Conversion happens locally in your browser.

All conversion happens locally in your browser.

Type text, set speed & colors. The text baseline stays parallel to the longer side, and the motion goes

Supports PNG, JPG, WebP. Processing happens locally in your browser.

Generates official redirect links (Google update service). Parses CRX2/CRX3 fully in your browser and exports ZIP.

Text-only. No uploads; everything runs in your browser.

Runs fully in your browser. Live preview, photo capture and video recording. Nothing leaves your device.

BTC Live Dashboard (BTC/USDT), runs in your browser.

Runs fully in your browser via ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and outputs lossless WAV (PCM). First load downloads the core.

Runs fully in your browser via ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and outputs PCM. Choose WAV container or RAW .pcm (headerless). First load downloads core.

Runs fully in your browser via ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and outputs OGG (Vorbis). First load downloads the core.

Runs fully in your browser via ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and outputs MP3. First load downloads the core.

Runs fully in your browser via ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and outputs M4A (AAC or ALAC). First load downloads the core. Optionally set NEXT_PUBLIC_FFMPEG_*

Runs fully in your browser via ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and outputs lossless FLAC. First load downloads the core.

Runs fully in your browser with ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and AC3 output. First load downloads the core.

Runs fully in your browser via ffmpeg.wasm (new API). Supports mp3/wav/ogg/flac/aac/opus/pcm/m4a input and outputs AAC. Choose M4A (recommended, previewable) or ADTS .aac (raw). First load downloads t

Runs entirely in your browser. Export WAV (always works) or any other browser-supported type (Opus excluded).

Records entirely in your browser. Start/pause/resume, preview, download; input device selection, waveform, WAV/Opus export, noise suppression, and more.

Trim and loop an audio segment fully in your browser (ffmpeg.wasm). Supports 1–8 loops, 0%–200% volume, outputs MP3 / OGG / WAV.

Runs entirely in your browser via FFmpeg.wasm. Choose output format (excluding Opus), bitrate, sample rate, and channels. Note: large files use more memory.

Re-encode and compress in your browser (ffmpeg.wasm). Choose MP3 / OGG (Vorbis) and set target bitrate / sample rate / channels. First load downloads the core.

Change speed in bulk in your browser (ffmpeg.wasm). Outputs MP3/OGG/WAV (OPUS disabled). First load downloads the core files.

Runs fully in your browser; no uploads.

Runs entirely in your browser. Supports metric, US customary, and Swedish cookbook units. Enter a value and pick the unit to see all conversions.

Runs entirely in your browser. Convert between V, mV and kV.

URL Encode/Decode, runs in your browser.

Convert between UNIX timestamps and date/time entirely in your browser. Supports seconds/milliseconds and time zones.

Runs entirely in your browser. Uses second (s) as base; converts ns, μs, ms, s, min, h, d, wk. Also includes yr (Julian year = 365.25 d) and mo (30‑day approx).

Every letter in your text will be converted to uppercase automatically.

Runs entirely in your browser. Supports text ⇄ Unicode escapes (\\uXXXX / \\u{XXXXX} / U+XXXX).

Runs entirely in your browser. Separate letters with spaces and words with /.

Runs locally. RED-style cover; supports multiline subtitle, partial highlight, drag layout, sticker library.

Runs entirely in your browser. Supports plain/regex, case-sensitivity, whole-word and multiline.

Runs entirely in your browser. Supports invert case, UPPERCASE, lowercase, Title Case, and Sentence case.

The tool detects URLs, strips trailing punctuation, and removes duplicates automatically.

Runs entirely in your browser. Choose line/word/character granularity; optionally ignore case and whitespace.

Each word’s first letter is uppercased while the remaining letters are lowercased automatically.

Runs entirely in your browser. Note: temperature scales have offsets; precise formulas are used.

Runs entirely in your browser. Convert Tab ↔ Spaces with adjustable width. Optionally convert only leading indentation.

String, runs in your browser.

Millisecond-precision with naming, laps, and persistent history.

Runs entirely in your browser. Use a custom delimiter or a regular expression. Optionally trim items and filter empty results.

Runs entirely in your browser. Uses metres per second (m/s) as base; converts m/s, km/h, mph, ft/s, knots.

Runs entirely in your browser. Replace spaces with newlines. Optionally treat all whitespace (spaces/tabs) as delimiters, collapse consecutive whitespace, trim items, and filter empty lines.

Online Signature, runs in your browser.

Remove All Whitespace, runs in your browser.

Uses VARh as the base. Converts mVARh, kVARh, MVARh, GVARh bi‑directionally. Note: reactive energy integrates reactive power over time.

Runs entirely in your browser. Uses pascal (Pa) as base; converts Pa, kPa, MPa, hPa, bar, torr, psi, ksi.

Uses watt (W) as base. Converts mW, W, kW, MW, GW and hp (mechanical / metric).

Runs entirely in your browser. Uses seconds-per-metre (s/m) as the internal base; converts min/km, s/m, min/mi, s/ft.

Runs entirely in your browser: replace line breaks with spaces, optionally collapse extra whitespace and trim.

Runs entirely in your browser. Uses gram (g) as base. Here mt = metric tonne, t = short ton (US).

Runs entirely in your browser. Supports multiple prize tiers and ceremonial tier-by-tier draws.

Renders locally in your browser. Choose shape/colors/font and export PNG or ICO.

Uses metre (m) as base; converts mm, cm, m, km, in, yd, ft-us, ft, mi, plus nmi/ch/fur/Å.

Runs entirely in your browser. Uses lux as base; supports lx / mlx / µlx / klx / phot / foot‑candle / nox.

Uses Hz as the base. Bridges frequency and angular/rotational speed. Note: 1 Hz = 60 rpm = 360 °/s = 2π rad/s.

Runs entirely in your browser: live FPS meter with detailed screen/device info.

Inspired by dson

Favicon Fetcher, runs in your browser.

Runs entirely in your browser. Supports integers, decimals, scientific notation, with de-dup and sorting options.

Runs entirely in your browser. Uses a built-in email regex, with options for deduping, lowercasing, custom separator, and one-click copy.

Runs entirely in your browser. Uses joule (J) as base. Note: 1 Wh = 3600 J.

Delete Duplicate Lines, runs in your browser.

Runs entirely in your browser. Convert between A, mA and kA.

Build gradients locally and copy CSS/Tailwind instantly.

Quick presets and custom duration; shows a toast and plays a 3s chime when finished.

Pick or type a color to get its inverted color and best-contrast (black/white) with live previews.

Convert between HEX, RGB and HSL in the browser. Supports alpha and live preview.

Runs fully in your browser. Choose fields, cm/inch switch, copy CSV, export SVG/PNG.

Runs entirely in your browser. Supports case folding, whitespace filtering, normalization and CSV export.

Uses byte (B) as base. Note: 1 B = 8 b; 1 kB = 1000 B; 1 KiB = 1024 B; supports PB/EB and PiB/EiB.

Runs fully in your browser. Refresh this page or try the embedded URL below (may be blocked by X-Frame-Options).

Runs entirely in your browser. Uses square metre (m²) as base; supports metric and US/Imperial units.

Uses VA as the base. Converts mVA, kVA, MVA, GVA bi‑directionally. Note: active power P = S × cosφ (S: apparent power).

Runs entirely in your browser. Uses radian (rad) as base; converts degree/radian/grad/turn/arcmin/arcsec.

Generate QR Code, runs in your browser.

MD5 hash for text or files

Runs entirely in your browser. Counts Han characters, words, lines, paragraphs, and UTF‑8 bytes.

Runs entirely in your browser. Generates RFC 4122 compliant UUID v4. Batch generation with hyphen-less and uppercase options.

All encryption/decryption happens locally. Ciphertext bundles random salt and IV for sharing.

Enter the known password. Everything runs locally in your browser.

Password Generator, runs in your browser.

Online MD5 Modifier, runs in your browser.

For research/education only. All computation runs locally in your browser.

JWT Decoder, runs in your browser.